39. a. Ms. Diaz wants to divide her class of 30 students into 10 groups.

The groups do not need to be of equal size. What are some of

her choices?

a weekly salary of $325 plus a 6.5% commission on sales at a store. How much would she make in a work week if she sold $4800 worth of merchandise?

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y + x Negative 7 y minus 6 x minus 8 y + x Negative 20 minus 3 x + 5 + 8 x

What is the solution of the system? y = - 3x 3x + 2y = 6 A. (2, 6) B. (-1, 3) C. (-2, 6) D. (1.5, - 4.5)

Dan sold half of his comic books and then bought 8 more. He now has 12. How many did he begin with?

Factor the expression. Write your answer as the product of two binomials. x² - 13x + 42

Elevator starts with 104 are they building at tuildingl elevator starts with 100th floor of a building. It decacends 4 floor every 10 seconds. At what floor will the elevator be in 60 Secounds after it stats

The volume of a cone is 1870 cubic feet. If the height of the cone is 611what is the radius of the cone? ( V r h) A) 211 B) 3 D) 611

the Golden Ratio, is present not just in mathematics, but may also be present within your own brain and body (at the atomic or subatomic level), what do you think it means?

Is this right? 3/4*5/9 = 5/12 in lowest terms

Use cross products to demonstrate whether the two ratios are equivalent in this problem: 4 over 6 times 14 over 21