The table shows a linear relationship between x and y. -20
96
-12
60
-6
33
-2
15
What is the rate of change of y with respect to x ?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).