Find the surface area of the cube. (You should have at least 2 steps shown work)

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed

step-by-step explanation:

is their an equation anywhere i can take a   look at it and see if i am right.