I kinda got confused on this one

25z - 8z + (-3z)

r. Yi buys vegetables at a market. He purchases 6 pounds of potatoes, p, and 3 pounds of onions, n, for $18. Onions cost twice as much as potatoes.

What is n+12 over 11 = n-12 over 8

How many minutes is 7/8 of an hour

What is the Equivalent expression for (y + y + y)

Write 9/10 as a percent and decimal

Can two data sets have the same mean but different standard deviations?

Ethel Meyer sells wheelchairs. She earns 11 percent commission on the first $5,000 and 14 percent on all sales over $5000. How much commission will she earn on $14,000 in sales?

An ice cream store sells 2drinks, in 5 sizes, and 5 flavors. In how many ways can a customer order a drink?

Kristen goes on a cave tour with her family. They climb down to 8 meters below ground level. Then they climb the opposite of - 8 meters to return to ground level. How many meters did they climb in all? Enter your answer in the box.

What percentage of a dollar is the value of each coin combination? a. 4 dimes b. 1 nickel and 3 pennies c. 5 quarters and 1 dime