Which expression(s) are equivalent to the given expression? 6x-18y+36

1.2(3x-9y+18)
2. 3(2x-6y+12)
3.4(2x-14y+32)
4.6(x-3y+36)
5.9(6x-2y+4)

7th grade math

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Which strategy is used by public health to reduce the incidence of food poisoning?