Due in 30 minutes me : (! you buy an item for $74.95, and the sales tax is 4.5%. you give the clerk four $20 bills. figure the following amounts: -the amount of sales tax -the total cost including tax -the amount of change you should receive.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

What is the solution to the system of equations? y=1.5-3 y=-x

In 2000 there were 100 rabbits in central park the population increased by 16% each year ? write a function to illustrate the situation. how many rabbits were in central park in 2005 . predict how many rabbits there will be at the end of this year we are in 2018?