Aman drives for awhile at 45 mph. realizing he is late ,he increases his speed to 60 mph and completes his 405 mile trip in 8 hours. how long does he drive at 45 mph?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.