area of a rectangle and one semicircle with another semicircle removed to the nearest tenth. Diameter of semicircle is 6 and length of rectangle is 12

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Complete the equation of the live through (-1,6) (7,-2)