Solve for c: 6/15=2/c

In a school poetry contest, 4 out of the 12 students who entered will wins small prize. Half of the remaining students receive a certificate. How many students get certificate?

Find the largest positive integer that will divide 398,436 and 542 leaving remainders 7,11 and 15 respectively

If the Statue of Liberty were 325 feet taller, it would be just as tall as Gateway Arch in St. Louis. The height of the Statue of Liberty is less than 10 feet less than the height of the Gateway Arch. How tall is each one of these structure

A museum groundskeeper is creating a semicircular statuary garden with a diameter of 36 feet. There will be a fence around the garden. The fencing costs $8.50 per linear foot.

Find the quotation 81 : 10,000

If there is 12 inches in a foot how many inches are in 7 feet

What is 1 4/5 as a decimal

A shirt is 180 dollars but it originally costs 200 what percent change is that

Are 5/10 and 1/6 equivalent ratios

How to subtract two polynomials