Given the function f(x)=-x^2-3f(x)=−x 2 −3, express the value of \frac{f(x+h)-f(x)}{h} h f(x+h)−f(x) ​ in simplest form.

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?

Multiply. write your answer in simplest form. 3/8 x 5/7

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.