Ronnie swims 4 laps each day. How many laps does he swim in 28 days using an area model?

A type of bacteria doubles every hour. if you started with 16 bacteria, how many bacteria would there be in 12 hours

You track the temperature from the time you eat lunch to the time you go to bed. You find that it drops 2 degrees each hour for 10 hours. which expression best shows the change in temperature. a. - 2x10 b. - 2x-10 c. 2+10 or d. 2x10

There are 24 fish in an aquarium. If 1/8 of them are tetras, and 2/3 of the remaining fish are guppies, how many guppies are in the aquarium?

Ebi, Jose, Derell, and Asami measured their heights. Ebi's height was 2.5 cm greater than Jose's height. Jose's height was 3.1 cm greater than Derell's height is 0.4 cm less than Asami's height. Ebi is 162.5 cm tall.

Johnathan has been on a diet since January 2013. so far, he has been losing weight at a steady rate. Based on monthly weigh-ins, his weight, W, can be modeled by the function w=-3m+205 where m is the number of months after January 2013.

10y + 10 = 130 solve for y

Helena lost her marbles. But then she found them and put them in 4 bags with m marbles in each bag. She had 3 marbles left over that didn't fit in the bags. How many marbles does Helena have in all?

Simplify expression 10-5x-4+7x

What is the value of 7 the number 2741203

Sara weight 25 pound-more than amber if together they weight 205 what is the weight of sara? a) 90 b) 115 c) 105 d) 135