Bella pays 7 payments of $5 each to a game store. she returns one game receives $20 back. what is the change of the about of money she has?

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest