Tina and Ed do odd jobs in their neighborhood to earn money. Last week Tina earned $2.50 less than twice what Ed earned. How much did Tina earn last week if Ed earned $6.50?

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?

If the value of cos330°is√3/2 then find cos 165°.

Pls the last one and it has to be like number 6