Solve the equation: -3a2 – 9a - 30 = 0
Quadratic formula

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

When is g(x) = 0 for the function g(x) = 5.23x + 4?

Sum of the interior angles of a pentagon