Write the slope intercept form of the equation through (-4,-2), perpendicular to y=-9/4x-4

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Which expression is equivalent to (5x^7+7x^8) − (4x^4−2x^8)? a. 9x^8 + 5x^7−4x^4 b. 3x^8 + 7x^7 c. 12x^8 − 2x^4 d. 5x^8 + 5x^7 + 4x^4

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?