Last year, students planted 8 tomato plants and 16 pepper plants in a school garden. This year, the students planted 15 tomato plants. They want to have the same ratio of tomato plants to pepper plants as last year. Pepper plants cost $4.33 each. What is the cost, in dollars, of the pepper plants for this year's garden?​

Find the value of x for which the lines are parallel.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).