What is the perimeter of a square with an area of 25 cm^2? Question 25 options:

5 cm

10 cm

25 cm

20 cm

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Atemperature of 1.64◦f corresponds to answer in units of ◦c.