Kenesha wants to buy k tomato plants, and mario wants to buy m tomato plants. the cost of each plant is $6. kenesha will use a coupon that will give them $15 off the total cost of all their plants. which expression represents the total cost of all the plants with the discount?

Ill mark the brainliest if you me with the these three questions 7,8,9

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.