Crew a can tunnel through a mountain in 30 days. if crew B starts from the other side at the same time, the tunnel can be completed in 18 days. how long would it take crew B working alone?

The equation d = 2t + 8 gives d, the total depth in inches of accumulated snow based on t, the time in hours since a storm began. Using this equation, how much snow can be expected to fall with each additional hour?

A college is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 400 feet of fencing to fence off the other three sides.

Original price: 50$; markdown: 22%; retail price

3x + 2y = 6 4x + y = 1 Solve the system of equations. (-4/5, 21/5) (8/11, - 21/11) no solution

What is 5-to-4 in a percent?

Which statements are true? Select three options. The line x = 0 is perpendicular to the line y = 3.

2x=12 what is the answer i'm confused

Kathryn bought a magazine for $4 and five erasers. She spent a total of $14. How much did each eraser cost?

Factor Completely: x2 + 16

How do you find out area for the formzual for area would be what-