The function () = 40x represents the number of jumping jacksj(x) you can do in x minutes. How many jumping jacks can you do in 10 minutes?
(5 Points)
150 jumping jacks
400 jumping jacks
4 jumping jacks
250 jumping jacks

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Which expression is the factorization of x^2+10+21

In a race, there are 9 runners. trophies for the race are awarded to the runners finishing in first through third place. in how many ways can first through third place be determined 27 84 504 60,480