Solve the equation for the unkown variable
1) -1/x=-7/2+2/x

What number should be added to both sides of the equation to complete this square? x^2-10x=7

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?