Please help me I will give out extra points and the brain thing. Dontina is ordering uniforms for her employees. The company Dontina is ordering from charges $18 per uniform and a shipping fee of $7.

Based on this information, which function can be used to represent the relationship between the total cost, c, and the number of uniforms Dontina orders, n?

c=7n−18

c = 18n + 7

c=18n−7

c = 7n + 18

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?