Solve each system of linear equations by adding or subtracting 2x+y=3, 3x-y=-2

Find the greatest common factor of 18, 36, and 45.

If x=1+√2 find the value of (x+1/x) ^3

51 times the difference between a number and 21 is equal to the number plus 58.

Find all numbers whose absolute value is 2.

A line is parallel to the y-axis on a coordinate plane. Which best describes the slope of the line? A) negative B) positive C) undefined D) zero

One third kaylees age increased by 12 is equal to twice her age decreased by 3

How many total seats will the airline gain by purchasing three more of both the 737 aircrafts and MD-88 aircrafts? There is a chart too: aircraft seats 737 - 150 757 - 183 767 - 250 MD-88 142 777 - 268

What is 4/5 + 3/10 equal

What is 3.92400 times 10 to the 5 in scientific notation

How do you multiple the following (x-8) (x-7)