Ricardo has 2 cases of videos games with the same number of games in each case. he gives 4 games to his brother. ricardo has 10 games left. how many video games were in each case?

A store sells small notebooks for $8 and large notebooks for $16. If a student buys 6 notebooks and spends $72 , how many of each size did he buy?

Whats is 2.25n - 3 = 5.5n + 10

The pH of a solution is a measure of how acidic it is. The greater the acidity, the lower the pH. The function f (x) = - log x gives the pH of a solution, where x is the concentration of hydrogen ions, in moles per liter.

Write the polynomial in factored form x^3-3x^2-10x

Use factoring by difference of squares to solve the equation, x^2 - 81 = 0. A. x = 9 or x = - 11 B. + / - 9 C. + / - D. + / -

A polling organization took a random sample of 1,600 high school students to determine how many high school students have a part-time job. Suppose 43% of all high school students have a part time job.

The least common do you nominator 1/3 and 1/5 is

David has c decks of cards. Each deck has 52 cards in it. Using c, write an expression for the total number of cards David has.

What is the recursive formula for the sequence 4, 7, 12, 19, 28?

William will be attending college next year. He thinks that even though the tuition is higher at College A it will cost less overall because it is in-state and College B is not. Do you agree with William? Explain.