Fill in the missing value in the given equivalent ratios.
5:7 =__:21

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?