How to find out how much you pay if there was a sale tax?

State weather the relationship between x and y in y=4x-5 is proportional or non proportional

Sophia pays a $19.99 membership fee for an online music store. If she also buys two songs from a new album at a price of $0.99 each, what is the total cost

Which discovery could provide evidence against the theory of evolution?

What is the simplified expression for the expression below? 4 (x + 8) + 5 (x - 3) a) 9x + 5 b) 9x + 11 c) 9x + 17 d) 9x + 47

Solve the equation 6x+3y=15for y what does y equal if x=2 if x=5

A train travels a distance of 872 miles. Then it travels another 342 miles. The train then travels another 403 miles. How many more miles does the train travel on the first part of the trip than on the second and third trips combined?

Edward's recipe for salad calls for 3 3/4 cups of lettuce and 1/2 lb of tomatoes. Determine how many cups of lettuce Edward would need to mix with 1 lb of tomatoes. Show your work.

Kia purchased 3 pounds of grapes and spent $11.63 on other items. She spent a total of $20. She used the following steps to find the cost of each pound of grapes. When Kia subtracts 11.63 from both sides, what does the difference represent?

A line passes through the origin and has a slope of - 3/2. Through which quadrants does the line pass?

How do I make an algebraic formula for a number that's increasing by 74%? Starting number: 93.13, I need a formula to go up by 74% 100 times.