4 less than twice a number, n

a. 4 - 2n

b. 2n - 4

c. 4 - n2 (2 is up top like writing exponents)

d. n2 - 4

Combine like terms 3m-6+m2-5m+1

Ben decided to put $145 in his savings account at the end of every month. Find the amount he has at the end of 15 years, if the account has an ARP of 7.7% compounded monthly. Rounded correctly to the nearest cent.

Mario eats as many walnuts as Yolanda. if Yolanda eats 6 walnuts every day how much walnuts does Mario eat in a week

How to graph 8+4x=2x

Tammy accidentally wrote a check for more money than she had in her checking account. When she got her statement, she saw that her balance was - $80. If she deposits 1/4 of the money owed into her account, what will be her new balance?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.