How to do rational and irrational numbers

Evaluate the expression if s=6 t=5. (4s+t)

Tina uses a $50 dollar gift certificate to buy pajamas for 17.97, a necklace for 25.49, and 3 pairs of socks that each cost the same amount. Tina has to pay $0.33 because the gift certificate does not cover the total cost of all the items.

If you can buy 1/4 pizza for 5 dollars, how much can you purchase for 8 dollars?

Find the product of (4x - 3y) ^2. 16x^2 + 24xy + 9y^2 16x^2 - 9y^2 16x^2 - 24xy + 9y^2 16x^2 + 9y^2

The expression y2 - 10y + 24 has a factor of y - 4. What is another factor of y2 - 10y + 24? y - 20 y - 14 y - 8 y - 6

Which is greater 67 1/2 or 65

Jo cut a key lime pie into 8 equal size slices the next day 7/8 of the pie is left jo puts each slice on its own plate how many plates does she need

Two out of six computers in a lab have problems with hard drives. If three computers are selected at random for inspection, what is the probability that none of them has hard drive problems

What is square minus?

In which number does one digit 6 have a value if 1/100 of the other digit 6? A. 66.04 B. 46.60 C. 46.06 D. 40.66