A weather plane took to the sky‘s to measure the speed of the jetstream. The plane flew 1920 km with the jet stream as a tail wind. then it returned to its original location. The eastbound flight took two hours and the westbound flight took 3.2 hours

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)