Write a problem based on the given information. 7.) c = cost per pound of plain coffee beans
C + 3 = cost per pound of flavored coffee
beans 2c + (c + 3) = 21

Remmi wrote the equation of the line y=⅓(x+2) he solved for x and got x=3y-2 which of the following is an equivalent equation for x? a. x=y-11/3 b. x=y+7/3 c. x=3(y-⅔) d. x=3(y+⅔)

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x