Answer:
c: -7
Step-by-step explanation:
Answer:
wouldn't that be 81 but i dont know
Difference of a number and 17: x - 17
eight times that = 8(x - 17)
8(x - 17) = 30
divide both sides by 8
x - 17 = 30/8
x = 30/8 + 17 which is 20.75
Answer:
Step-by-step explanation:
The surface area formula for pyramids is given by :
...(1)
We need to arrange the formula for l.
Take b to LHS,
So, the expression is for the slant height.