What are the prime numbers of numbers 1-49?

The parabola opens: y=√x-4 (principal square root) up down right left

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.