How to know if a function is odd or even

It take Dan 32 minutes to complete 2 pages of homework. T this rate, how many pages does he complete in 200 mins?

What is 3y^2+3 (4y^2-2) ?

The difference of two numbers is 48. The larger number is three times the smaller number. Find the numbers.

A table is rectangular and its length is twice its width. Find the dimensions of the table if it occupies 18 ft2 of floor space.

Check whether 6n can never end with the digit 2 for any natural number n

Xy+yz=10 solve for y

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 18 miles per hour faster than the eastbound train.

Enguun earns $17 dollars per hour tutoring student-athletes at Brooklyn University a. If Enguun tutored for 19.5 hours last month, how much money did she earn last month?

One side of a triangle is twice another. The third side is 8 inches and the perimeter of 26 inches. How long is each side?

A new sidewalk will be 6 feet wide, 100 feet long, and filled in a debt of 9 inches with concrete. How many cubic yards of concrete are needed?