The variables x and y vary directly. If x = 3 and y=-9, write an

equation that relates x and y.

4 (x-3) = 5 (x+1) solve the equation above for x

Over the last 50 years, the average temperature has increased by 2.5 degrees worldwide (I made this up). What is the rate of change in worldwide temperatures per year?

Over which interval is the graph of f (x) = -x^2+3x+8

Evaluate. 8m - 4 + 3n n = 5 and m = 2

Which pair of triangles can be proven by the HL theorem

A spinner is divided into eight equal sections. five sections are red and three are green. if the spinner is spun three times, what is the probability that it lands on red exactly twice.

Create a linear, quadratic, and cubic function that all have solutions at (-5,32)

Find the greatest common factor of x^2 and 15xy.

Which measure of the ages has the greatest value? A - mean B - median C - mode D - range

Find the probability distribution for the number of jazz CDs when 4 CDs are selected at random from a collection consisting of 5 jazz CDs, 2 classical CDs, and 3 rock CDs. Express your results by means of a formula.