If you know the radius of a circle but not the diameter how would you find the circumference

How many two digit natural numbers division by 7

Convert 60 km/myr to cm/yr

What is the earliest skill that people developed?

If 1/3x = 10, what is 2/3x

Write 53/198 as a decimal.

What is f and x in f (x) = 7

18 * 5 * 10 * 9 * 7

Home Depot wants to buy a new line of fertilizers. Manufacturer A offers a 21/13 chain discount. Manufacturer B offers a 26/8 chain discount. Both manufacturers have the same list price. What manufacturer should Home Depot buy from, show why?

The angle of Inclination from the base of skyscraper A to the top of skyscraper B is approximately 11.9°. If Skyscraper B is 1424 feet tall, how far apart are the two skyscrapers? Assume the bases of the two buildings are at the same elevation. feet.

Quadratic equation whose roots are 6 and 4, and whose leading coefficient is 5.