Solve each system by substitution method x+y=4 y=3x

Jacob has a box of 2 hundred cubes he also has a bag of 40 cubes. how many trains of 10 cubes can hw make?

Evaluate: 3x5 - 2x (3+2)

Four more than the product of 23 and Gregs height. Use the variable g to represent Gregs height

The ratio of horses to elephants in the circus is 8 to 7 if there are 16 horses in the circus then how many horses and elephants are there altogether

The sum of the interior angle of an n-gon is 90 degrees (n-2)

Admission to a carnival is $5 in each game at the carnival cost 0.85 dollars you have $15 to spend on an admissions and games what is the maximum number of the games you can play

Y varies inversely as x and y = 3.5 when x=4 determine the value of y when x=2

What's the simplest form of the fraction 85 over 204

What is - |2x-6| greater than 8

Write the fracions in order from least to greatest 4/6 7/12 5/10