Determine the center and radius of the following circle equation:
x^2 + y^2 + 8x + 18y + 72 = 0

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute