Aline has a slope of 3 and contains the point (-1, -8). which equation represents the line?
a. -3x+y=5
b. 3x+y=-5
c. y+8=3(x+1)
d. y-8=3(x-1)

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Factor the polynomial. b^2 + 4b + 4

Will give brainliestbased on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m?