When 3/11 is written as a decimal, how many digits are in the smallest sequence of repeating digits?
a) 1
b) 2
c) 3
d)4

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?