Your autimobile averages 23 miles of gas your work place is approximatly 18 miles from home one way. your mother lives 30 miles one way from home. with one gallon of gas you can drive to your mother's home.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm