The function below can be used to calculate the cost of surfing the internet, f(m), which is based on a $10 initial charge and a fee of $.15 per minute, m, till you sign off. f(m)=10+0.15m if jon paid $40, how many minutes did he use the internet?

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

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.