What is the square root of 117 and can show me how you found it? ? ! : )

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase