Mary's sink was clogged, so she called a plumber. the plumber charges a service fee of $50 as well as $25 for each hour he worked. if mary paid $135.50, write an equation to find the number of hours, h, that the plumber worked.

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?