The ratio 21: 28 in simplest form is

4: 3
3: 4
3: 5

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost