Question 7 10 pts
Mr. Quick purchased a new laptop with a price of $1580. The
store was offering a discount of 23%. What is the amount of
the discount? Round to the nearest penny.
I
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  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

answer:

c) the x-coordinate of the center of the circle increases by 3

hello from mrbilldoesmath!

answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.