Angle∠rqt is a straight angle. what are m angle∠rqs and m angle∠tqs?

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.