One of the roots of the equation 2x^2−bx−20=0 is −2.5. find the other root.

Aline passes through the point (2, -4) and has a slope of 0, what is the equation of the line? plz fast

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?