Which fraction is not equivalent to 9/12

1. 24/32

2. 6/8

3. 15/20

4.16/24

Simplify i19 into simplest form

I have 5 different history textbooks and 4 different science textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be a science textbook in the middle, and there must be a history textbook at each end?

Decreace £2500 by 1%

Write an equation that has one solution, an equation that has no solution, and an equation that has infinitely many solutions.

If the 8% tax on a sale amounts to 96$, what is the final price (tax included) of the item?

What is 1/4 parentheses 4x + 8 in standard form?

a kennel has40 dogs in total, some are puppies and some are adults dogs. the ratio of puppies to adult dogs is 1:4 how many puppies are there

2. Justify each step of the proof. Conjecture: If 2 (x2 + 5) = 60, then x is 5 or - 5. 1. 2 (x2 + 5) = 60 1. 2. 2x2 + 10 = 60 2. 3. 2x2 = 50 3. 4. x2 = 25 4. 5. x = ±5 5.

Andrew had $250 in his savings account. He then deposits the same amount of money each week for 6 weeks. He deposits twice that amount each week for another 4 weeks.

A playground is 50-feet long by 30-feet wide. The length and width of the playground will each be increased by the same number of feet.