Given f(x) = x2 – 3 and g(x) = x+2 x. Find (g ° f)(4). please help

The conversion factor relating feet to meters is 1 ft=0.305 m. keep in mind that when using conversion factors, you want to make sure that like units cancel leaving you with the units you need. you have been told that a certain house is 164 m2 in area. how much is this in square feet?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

What is the value of x in the this question ?