Write a y=kx equations for the problems below: 1. Sammy ate x pieces of pizza and Joey ate 1/4 more than that.

2. Ms. Pekar spent x hours grading papers. Mrs. Youngblood spent 2/5 hours less than that grading papers.

3. Mrs. Cherry went shopping at x stores at the mall, but Mrs. Smith went shopping at that many stores and then that many more stores.

4. Katelyn bought x pounds of candy and Sophia bought 2/3 less than that

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.