Y=2x-15 y = 5x substitution

If there are 220 members of the 7th grade, then how many students can be expected to prefer the zoo?

Tony had 30 toy cars and Giovanni had 6 times more than tiny how many cars did Giovanni have?

Doug and Ken are meeting for lunch at Rodrigo's Mexican Restaurant. Doug's work place is 5 miles from the restaurant and Ken's work place is 7 miles from the restaurant.

What is the relationship between the 6s in the number 660,472?

What fraction lies exactly halfway between 2/3 and 3/4? a) 3/5 b) 5/6 c) 7/12 d) 9/16 e) 17/24

Is this true or false 276 times 13 = 276 times 7 + 276 times 6 = 1,932 + 1,656 and why?

1. Yousaf deposits $5000 in a savings account at his local bank. The account pays 5.5 % interest compounded annually. At the end of 6 years, how much will he have in his account?

A researcher measures 200 counts per minute coming from a radioactive source at noon. At 3:00pm, she finds that this has dropped to 25 counts per minute. What percentage of the original source will remain at 6:00pm?

The probability of a spinner stopping on 5 is 1/9. the probability of the spinner stopping on 6 is 4/9. what is the probability of the spinner stopping on 5 or 6? a. 4/9 b. 4/81 c. 5/9 d. 5/18

What does an algebraic expression always have?