If this pentagonal pyramid is sliced parallel to the base and hallway up the pyramid, what is the resulting cross section?
B
a triangle with a height the same as the pyramid
a quadrilateral that is not a pentagon
D
an isosceles triangle

3,750 deer

step-by-step explanation:

1,500 is 15 times larger than 100

lets make 250 15 times larger.

3750 deer

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

answer is 12345678900987654321234567890987654321

step-by-step explanation: