The graph of y = x2 + bx + c has x-intercepts
X = -3 and x = 4. What is the value of b ?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Factor the polynomial. b^2 + 4b + 4

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?