What is the area of the figure 12 in
15 in
3 in
6 in
9 in
6 in
3 in

A-225in ²
B-252in²
C-315in²
D-234in²

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)