When is it not appropriate to use decimals and percentages?

Henry is buying school supplies for the start of th school year. For every 3 pencils he buys 2 pens. If Henry buys 21 pencils. how many total pencils and pens did Henry purchase

A new car is sold with or without antilock brakes, with or without a CD player, with or without electric seats, and with or without a sunroof. How many different choices are there?

there are 50 students in mary's class. 27 of them are boys. what percentage of mary's class are boys?

4b2 + 5b - 27 Which of the following describes 4 in the expression above? A. sum B. product C. coefficient D. quotient

Simplify the rational expression x^2-2x-24/x^2-5x-36

A parking meter contains dimes and quarters worth $17.15. There are 98 coins in all. Fi d how many of each there are.

Write 10 million in scientific notation

1) Why is it useful to factor out the GCF first when factoring? 2) How do you factor trinomials? How can we check the binomial factors to verify that they are truly factors? 3) What are the key features to graphing a polynomial function?

What is 4.41 times 10 to the negative second power

Write 492,053 in expanded form