How do you calculate with real world measurements

The formula Upper V equals LWH is used to find the volume of a box. If the length of a box is increased 4 times , the width is increased 4 times , and the height is tripled , how does this affect the volume?

19.43 as a mixed number.

Which is the graph of the function f (x) = 1/2x2 + 2x - 6

What is the surface area of the box? use your answer to problem 2 to write an equation

Two ships leave port at the same time, Ship X is heading due north and Ship Y is heading due east. Thirteen hours later they are 650 miles apart. If the Ship X had travels 520 miles from the port, how many miles will Ship Y travel? A. 520 miles OB.

Y=65x x is the time in hours y is the number of miles What is the rate/slope?

Adam's goal is to practice piano for 200 minutes every week. Which practice schedule would allow him to meet his goal?

Ray pay $812 to rent music equipment that costs $28 per hour. How many hours did he have the equipment?

What's the slope for the density of water?

In a sample of 88 children selected randomly from one town, it is found that 8 of them suffer from asthma. find the p-value for a test to reject the claim that the proportion of all children in the town who suffer from asthma is equal to 11%.