Candice is paid a base salary of $310 per week plus 7% commission on her sales. She wants to earn $590 per week. a. Write an equation to represent the situation. Include the domain. b. What must her sales be to reach her goal?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15