m = 1/4 and the line eq. is
y = (1/4)x +15/2
(7-(-1))^2 +(-2)^2=60 Answer should be B
2b is basically 2 * b. When a number (called the coefficient) and a variable come together they multiply.
The correct answer is 4.6
Plug 7 into each y. 9(7) -4(7) +3
63-28+3
The answer is 38
