The top of a tall building has four triangular faces that slope toward a single point. What shape best models the top of the building?
А cube
c. triangular pyramid
B cone
Dsquare pyramid
Choose

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

sorry i just need to anwers this to get points

step-by-step explanation:

1

x = 1

step-by-step explanation:

0 ÷ x = 0

0 ÷ 1 = 0