How do i turn y=9/2x+20 into standard form?

One fourth of a number is 1 more than one fifth of the same number

I dont quite get the hang of prime numner and learning what numbers to replace the letter with i guess the basic order of operation?

Vivi is a drummer for a band. She burns 756756756 calories while drumming for 333 hours. She burns the same number of calories each hour. How many calories does Vivi burn per hour?

How to find the volume without the width

A box contains 1 3/4 pounds of beans how many ounces of beans are in the box?

A square measures 9 inches on each side. What is its area rounded off to the nearest whole number? A. 206 cm² B. 522 in.² C. 81 cm² D 81 in.²

At the beginning of the first day, a company has 64 shipping crates on backorder. By the end of each day, customers order 18 more shipping crates.

2/3 of a number is 12

The table represents a function. A 2-column table with 4 rows. The first column is labeled x with entries negative 4, negative 1, 3, 5. The second column is labeled f of x with entries negative 2, 5, 4, negative 8. What is f (5) ?

What is the rule for divisibility by 2?