If f(x) = x^2 + 10 and g(x) = x + 9, find (g•f)(-3).

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.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Which expression is rational? 6. , square root two, square root 14, square root 49