Solve the linear equation by using the Gauss-Jordan elimination method

-2x-6y = 10

6x+18y = - 30

Mikela paid $45 for x gallons of fuel. Which expression represents the price per gallon?

1000 divided by 567 in long division

Is terry swim three lapse in 2.5 minutes how long would it take her to swim 20 laps at the same rate

What common side do AEG and ADE have

Find the mean (average) for the data set: 8, 12, 13, 7, 12 and 20.

58% of the students in MS - 67 are female. If there are 357 males, how many total students are there?

Find the value of g when 5g+15 equals 2g+21. Use pencil and paper. Explain how you can check the value you found for g is correct. If your check does not work, does that mean your results are incorrect? Explain

Tennis balls are packed into a square box 23cm on one side. The tennis balls can be touching, but they can't be compressed. (1in=2.54cm, Height of a tennis ball is 2.6 in). The remaining space is filled with packing beads.

Which phrase best describes a theorem in an axiomatic system? A.) the accepted meaning of a term B.) an assumption made with little supporting evidence C.) an accepted fact that cannot be proven D.) a statement proven to be true using logic E.

At the bake sale, Taylor sold 4 cookies for 3$ each and 24 muffins for 2$ each. What was the total amount. In dollars, that Taylor received from these sale?