If y varies inversely as the square root of x, what is the constant of proportionality if y = 16 when x = 4?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.