What is a negative times a negative equal

At a school pep rally the ratio of students who wore red to those who wore yellow is 7 to 3 their are 300 students at the rally each wore either red or yellow how many more students wore red?

A train ticket in a certain city is $2.00. People who use the train also have the option of purchasing a frequent rider pass for $18.00 each month. With the pass, each ticket costs only $1.25.

The values of sine and cosine are always between 0 and 1. True or False

Part of $3000is invested at 12%, another at 13%, and the remainder at 14%. The total yearly income from the three investments is $400. The sun of the amounts invested at 12% and 13% equals the amount invested at 14%.

Show that the set of whole numbers, W. is equivalent to the set of natural numbers, N, by carefully describing a one-to-one correspondence between the sets

How to divide fractions with letters

What is 4 to the 3rd power

I have 1/8 of books are mysteries I have three Mistry books how many books do I have it all

what does it mean when a number is outside of the parentheses in a quadratic function for example: 2 (x+1) ^2

Sarah makes a party punch that requires 1 gallon of orange juice for every 1 and one half gallons of lemonade. Dean's favorite punch recipe calls for 4 gallons of orange juice for every 1 gallon of pineapple juice.