Two step equation-2x+15=-9

Write an expression that represent the following. Add the sum by 5. Next, add 15 to that product, then triple the results.

A car is manufactured for a cost of $12,500. The dealership purchases the car and puts a markup of 67% on the car. The car is purchased and loses 57% of its value through depreciation over the course of 8 years (according to the Kelly Blue Book).

What number is 0.4% of 20 rounded to the nearest tenth?

A toddler was given 12 boxes of crayons, each of which contained 12 crayons. Within a week, he eventually lost half of the crayons and broke a quarter of the remaining crayons. How many intact crayons did the toddler have at the end of the week?

Solve y=x+3 and 2x+y=-6 by substitution

If I need 8 eggs to bake 10 cakes, how many eggs would I need to bake 30 cakes?

Which equation is true?

Haley has 3 miles during each track practice. how many track practices would it take for Haley to run 6 miles?

How to factor 9y^4-12y^3-12y^2

A restaurant offers 6 appetizers, 8 salads, 7 entrees and 9 desserts. in how many ways can a customer select a meal, if a meal consists of an appetizer, a salad, an entree and a dessert?