10) what is the slope of a line perpendicular
to y = -5x - 1?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1