Which expression is a perfect cube?
-1,452m18,15,022
-1,331m18,15,0521
1,331 m18,15,22
1,452m18.,15,21

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Which equation can be solved to find one of the missing side lengths in the triangle? cos(60o) = cos(60o) = cos(60o) = cos(60o) = mark this and return