Solve the equations using the quadratic formula.

x^2 - 4x + 3 = 0

x^2 + 10x = - 25

It took Fran 2.7 hours to drive to her mother's house on Monday morning. On her return trip on Tuesday night, traffic was heavier, so the trip took her 3 hours. Her average speed on Tuesday was 6 mph slower than on Monday.

You spend at most $10 at the mall you want to buy a book that costs $6.75 and a cold drink how much can you spend on the drink?

The Lewis family went out to an expensive restaurant for dinner. The bill was $108.00. Mr. Lewis wanted to leave a 15% tip. How much did he pay in all, including the tip?

Solve for a. 1/4 (20-4a) = 6-a 0 all real numbers -1 no solution

How deep is a well that takes eight cranks on the six - inch diameter windlass to raise the bucket?

Mary has walked 8 km, which is 55% of the total distance she will walk. How much farther does Mary need to walk?

What is the unit cost per bottle if a pack of 12 bottles of juice sells for $6?

How many indian rupees. Do you receive when exchange 13$

For the following exercises, write the interval in set-builder notation 10. (-infinity, 6) 11. (4, infinity) 12. [-3,5) 13. [-4,1]U[9, infinity) 14. (-infinity, infinity)

Gary needs to solve 120 problems by a certain day. He calculated, that to finish all the problems in time, he needs to solve 5 problems every day. But Gary's family is going on a trip, and for 4 days Gary will simply have no time to do math.