What is the general form of the equation for the given circle?

a. x2 + y2 − 8x − 8y + 23 = 0

b. x2 + y2 − 8x − 8y + 32 = 0

c. x2 + y2 − 4x − 4y + 23 = 0

d. x2 + y2 + 4x + 4y + 9 = 0

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

What number is 7 units left of -15?