15x+85=20x-10. Determine the measure of the acute angle

Sharon has some one-dollar bills and some five-dollar bills. She has 14 bills. The value is 30 dollars. Solve a system of equations using elimination to find how many of each kind of bill she has.

Evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10 ...

Ann is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices. Company A charges $93 and allows unlimited mileage. Company B has an initial fee of $65 and charges an additional $0.

A word problem with 5621 divided by 23

4. A taxi company charges a $2.20 flat rate in addition to $0.55 per mile. What is the maximum amount of miles, m, a passenger can travel for $11.00?

Cameron has 42.5 pounds of coffee. If she splits the coffee into 2.5 pound bags how many bags will she need?

Cuales de las expresiones son equivalentes a 2 (4f+2g) ?

Mari has a part time job. She earns $7 an hour. She makes at most $143.50 a week. What is the greatest number of hours she can work

What is the value of xin the figure below? In this diagram, ABD - CAD. A-16 B-8

Is the number prime or composite 39 and 47