Armando used algebra tiles to represent the product 3x(2x – 1). which is true regarding armando’s use of algebra tiles?
a. he used the algebra tiles correctly.
b. he did not represent the two original factors correctly.
c. the signs on some of the products are incorrect.
d. some of the products do not show the correct powers of x.

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6