The cost of manufacturing A certain type of headphone varies inversely as the number of headphones increase. If 5000 headphones can be manufactured for $15.00 each find the cost to manufacture 7,500 headphones

The perimeter of a rectangular sheet of metal is 120 feet, and the area is 800 square feet. The length and width of the rectangular sheet of metal are each multiplied by 6. What is the perimeter of the new sheet?

Write Each Fraction As A Decimal. (shown Below) 2 -- 10 is it 2.10?

Solve for K. 3/6 = k / 18

How to write an equation for passing through (-7, - 4), perpendicular to y=1/2x + 9?

What is the constant of proportionality shown in the table? 0.0.5 0 1 2 1.5

Blanca has $38,800 in a savings account. The interest rate is 9% per year and is not compounded. How much interest will she earn in 9 months? simple interest

Rita is hiking along a trail that is 14.3 miles long. So far she has hiked along one-tenth of the trail How far has Rita hiked? Rita has hiked miles

How do you find the surface area of a rectangular prism?

If y varies directly as x, and y=9 when x=7, find y when x=14.

The school has an acceptance rate of 15%. 15% of the students that apply get in. The school took in 1800 students last year. How many students applied?