[PICTURE ATTACHED] HELLLP

380

Step-by-step explanation:

(base of the triangle * height of the triangle) / 2 = 40

40*9.5 = 380

The white marble section would cost 380.

Step-by-step explanation:

To find the area of a triangle, one would multiply two sides as they would with a rectangle or square and then divide by two. In this case, you could simply multiply one triangle to get the area of both, as it is doubled.

4 x 10 = 40, so forty square feet of white marble is needed.

Now, we multiply by 9.50, as that is the price in dollars the bank has to pay for each square foot.

9.50 x 40 = 380.

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )

y -5 = (-1/4)(x + 8)

step-by-step explanation: