Let f (x) be the elevation in feet of the mississippi river x miles from its source. what are the units of f ' (x) ?

A grocer wants to mix peanuts and walnuts. Peanuts cost $3 a pound and walnuts cost $5 a pound. If she wants 100 pounds of a mixture to sell for $3.50 a pound, how much of each kind of nut should she use?

How do you know to add or subtract when doing polynomials?

If an 8 min 22-second video is played at. 25 the original speed, how long will it take to watch the video?

Nearest hundred the number 324

5 hundreds 5tens*10 standard form

In a team bike race, each biker has to ride exactly 50 miles. the team must complete 560 miles. how many miles must each biker travel?

If the decimal is 0.08 what is 10 times as much

If you traveled 50 m in 25 s what is your distance traveled and average speed?

Karla has a younge sister and an older brother. Her younger sister is 3 years more than a half of karla's age. Her older brother is 7 year lees than twice karla's age. If the sum of all 3 of their is 38, how old is kayla.

The time t required to drive a certain distance varies inversely with the speed r. If it takes 4 hours to drive the distance at 35 miles per hour, how long will it take to drive the same distance at 45 miles per hour?