Find the value of x
if 100x =265.0

Based on what i know about mean, this doesn't add up.

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

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.