Solve for z

-153=-19z

Each part of a race is 1/10 mile long. marsha finished 5 parts of the race. how fat did marsha race?

There are 12 boys and 12 girls participating in a quiz competition. Find the probability that a boy will win this competition and write it as a fraction.

Five less than six times a number is less than or equal to twenty five

Matt uses 3 tablespoons of breadcrumbs in his recipe for turkey meatballs. Today he must double the recipe. His tablespoon measuring spoon is dirty so he will use a ½ tablespoon measuring spoon.

Rewrite each ratio as a number compared to a 100. 17/25 = / 100 33/50 = / 100 15/20 = / 100

The pH of solution A is 2.4 , while the pH of solution B is 9.4. (a) What are their hydrogen-ion concentrations? (b) How many times greater is the hydrogen-ion concentration of solution A than that of solution B?

Which equation has a variable term in the equation - 6 + 2X = 6x - 9

On may 31, the cash account of bottle's r us had a normal balance of $5,000. during may, the account was debited for a total of $12,200 and credited for a total of $11,500. what was the balance in the cash account at the beginning of may?

When ringing up a customer, a cashier needs 8 seconds to process payment as well as 1 second to scan each item being purchased. If it takes 11 seconds to ring up a customer, how many items are being purchased?

In a chemical compound there are 3 parts zinc for every 16 parts copper by mass a piece of the compound contains 320 grams of copper write and solve an equation to determine the amount of zinc in the chemical compound