!00 points for answer my question
Cos (x - pi/2) = -tan(x)

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base