Which equation describes Which equation describes a line perpendicular to line R that passes through the point (3, -6)? A x - 3y=21
B 3x + y = 3
C 3x - y - 15
D3x - y = 3

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?