I don't get what these instructions mean

Y=-99/4 when x=-11 and z=4. Find when x=2 and z=-8

Find the perimeter. Use 3.14 for pi. Round to the nearest tenth. 58 cm O 22 cm O 72 cm O 44 cm

The expression 37 (14 + 10x represents the amount that you both earned. How can you tell that your feind was selling the hats for a discounted price?

Simplify: 36: (-3) + 2 (27:3 x - 2).

A painting business buys 3-inch wide paint brushes from a supplier in cases of 6. One case costs $31.29. 1: How much do 2 brushes cost? 2: If A customer buys 2 or more cases, the supplies reduces the price of the case by 10%.

A city which has a population of 250,000 has been experiencing a population decline of 5.5% every year. What will the population be in 9 years?

3 (4b - 2) = - 6 + 12b

Use the net to find the lateral area of the prism 8cm 15cm 17cm 11cm

For each stapler, there are 25 staples. Mr. Henry has s staplers. How many staples does Mr. Henry have?

Is 1/4 greater or less than 8/10