Combining like terms 6w+9w-4

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. + / -

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.

The drama department at oak hill high school is hosting a spring play. Tickets for the play are $4 for students and $6 for adults. The drama department wishes to raise at least 1600 from this play and have at least 300 people attend the play.