Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.)

(3a^-2) ^-4

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?

X+y/5, when x=10 and y=20

What is a coefficent

Find the probability that in 200 tosses of a fair die, we will obtain at most 30 fives

The sum of x, y and z is 952. if z is 40% less than the sum of x, y, then what is the value of z?

Jariah volunteers at the hospital during the week. She volunteers 3 hours on monday and thursday, 4 hours on saturday and sunday, and 2 hours on tuesday. How many hours does jariah volunteer at the hospital during the week?

Convert theta = 3pi/4 to rectangular form

Assuming a linear relationship between x and y, if the coefficient of correlation (r) equals - 0.75, this means that:

The graph of which function is decreasing over the internal (-4, infinity) ?

A Triangular prism with a triangular base of 8 in. and height of 6in. and a prism height of 4in. What is the surface area of the prism