Evelyn is writing a draft of a research paper. Her topic sentence is “While alligators and crocodiles may look similar, they have some significant differences.” Read her first paragraph. (1) Although they share many common traits, you can tell alligators and crocodiles apart. (2) Both reptiles live near water. (3) Alligators tend to be fairly dark colored, whereas crocodiles are usually greyish-green. (4) Alligators have a broad, wide, rounded snout and jaw, unlike the narrow, triangular snouts in crocodiles. (5) Crocodiles also have an exposed lower tooth that shows, even when the jaw is closed. (6) All of the alligator’s teeth are concealed.

Which sentence should be removed because it does not support the development of Evelyn’s central idea?

A.
Sentence 2
B.
Sentence 3
C.
Sentence 5
D.
Sentence 6

answer: the first graph

step-by-step explanation:

the correct option is:

b. a value of the variable that makes the polynomial equal to zero.

the root or roots of a polynomial are the values of the variable that makes the polynomial equal to 0. we can find the roots of a polynomial making the expression equal to 0 and then, isolating the variable (it it has just one variable).

for example, given the following polynomial:

the root or zero of the polynomial, can be found by making the expression equal to 0, and then, isolating the variable, so, finding the root we have:

therefore, we have that the root of the polynomial is equal to 2.

we must remember that the number of roots that a polynomial can have, will depend on the degree of the polynomial, a first degree polynomial have will have one single root, a second degree polynomial (quadratic expression) may have two roots and so.

hence the correct option is:

b. a value of the variable that makes the polynomial equal to zero.

have a nice day!

answer: i think it is c

step-by-step explanation:

consider the parallelogram shown in the attached image.

in the parallelogram hijk, the length of hk is given as,

from the properties of parallelogram we know that the opposite sides of a parallelogram are parallel to each other and are equal in measure.

therefore, the length of the side ij must be equal to the length of the side hk and that is .

hence, the expression for the length of ij confirms that hijk is a parallelogram.