10. solve the following system of equations.
x - 2y = 5
| -3x + 2y = 7

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?

Find the measure of angle a in the following triangle