The hu family goes out for lunch, and the price of the meal is $45. the sales tax on the meal is 7%, and the family also leaves a 20% tip on the pre-tax amount. what is the total cost of the meal?

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

What is the answer to the question 5x+2x