Solve the system. Tell how many solutions the system has.

-2x + 4y = 9

x-27 = - 7

The distance Train A travels is represented by d=70t, where d is the distance in kilometers and t is the time in hours. The distance Train B travels at various times is shown in the table.

A store marks up merchandise 40% for profit. If an item costs the store $15, what is the selling price?

A home repair crew truck is $65 per day plus for 157 for each hour the crew works. one day the crew worked extra hours and chargers a total amount of $1949. how many hours did the crew work?

F=J+Jrt solve following formula for t

What is the measure of the angle 20x + 5 = 24x - 1

Cheryl and her friends buy a pizza for $15.00 plus a delivery charge of d dollars. If the delivery charge is $2.50 what is the total cost? a. $17.50 c. $12.50 b. $16.00 d. $184

Ashley can ride her bicycle 15 miles in 2 hours. There are 60 minutes in 1 hour, and there are 1,760 yards in 1 mile. How many yards does Ashley travel?

Ellen's new balance on her credit card statement was 332.91. how much is the minimum payment if it must be 15 percent if the balance? 70.32 49.94 52.29

What is 33 divided 58?

Round 951194 to the nearest hundred