Solve the system of linear equations by substitution.

x=2y+7x=2y+7

3x-2y=3

Which is bigger 7/100 or 3/10

A ladder 26ft long leans against a vertical wall. The lower end is being moved away from the wall at a rate of 5ft/sec how fast is the top decreasing when the lower end is 10 ft. from the wall

Two pounds of peaches cost 4.50 5 pounds cost 11.25and 10 pounds cost 22.50 what is the constant of proportionality

The volume of a cylinder is 4,000pi in.³. The height of the cylinder is 250 in. What is the radius, in inches, of the cylinder?

Towns A and B are 400 miles apart. If a train leaves A in the direction of B at 50 miles per hour, how long will it take before that train meets another train, going from B to A, at a speed of 30 miles per hour?

Solve for x 7/x+9=21/36

What is the y-intercept of f (x) = 11

Write a sentence that shows the commutative property of multiplication

What is the slope of a line that runs parallel to y = 2 x + 5?

Evaluate 3 (x - 1) + 2 when x = 5. A) 18 B) 14 C) 16 D) 4