When using substitution to solve this system of equations 6y + 2x = 3
2x + y = 8
which variable will you solve for?

The functions q and r are defined as follows. q(x)= -2x+2 r(x)= x^2 - 1 find the value of r(q(

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

What is sin 7x/4 ? i need on this urgent trig