If gabby wants to make a regular octagon with a side length of 20 inches using wire, How much wire does she need? Justify your reasoning with an explanation of whether perimeter is proportional to the side length.

Sonji has $5.25 in nickels and dimes. The coin value can modeled by the equation 0.10+0.05n=5.25, where d represents the number of dimes and n represents the number of nickels. If sonji has 21 dimes, how many nickels does she have?

What is the answer to 5.48 * 15.12

the selling price of a watch is Rs. 4000. If the watch is sold at 20% discount on the market price. Find he market price of the watch

6x (-3) I don't understand I need answer

Timothy runs on a treadmill at an average speed of 5 meters per second. How many minutes does it take Timothy to run 2.4 kilometers?

If the volume of a tank is 4,750 cubic centimeters, what is the volume of the tank in cubic meters? (1 centimeter = 0.01 meter)

What is the value of the dependent variable if the value of the independent variable is - 4? f (x) = - 5x+x/2

If mollie can travel 250 miles in 90 minutes how far can she travel in 6 hours?

How long will it take you to ski a distance of 36 miles at a speed of 3 miles per 30 minutes

If you subtract my number from 300, or if you add my number to 220, you will get the same result. What is my number?