Me. lopez drives 40 miles to her sister's house. her average speed is 20 miles per hour. on her way home her average speed is 40 miles per hour. what is her average speed for the round trip?

Do supplementary angles form right angles? yes or no

Was Burns $400 for 40 hours of work is a ratio table to determine how much you earn for six hours of work

Katlyn made 4 dresses with 7 yards of fabric. How many yards did she use on one dress?

How many millimeters are in 1 meter

Nancy was buying food for her birthday party. she bought a 52.93 oz bag of barbeque chips, and a 79.6oz bag of regulsar chips. Hiw many did she buy all together

An airplane took 4 hours to fly 2400 miles against headwind. The return trip with the wind took 3 hours. Find the speed of the plane in still air and the speed of the wind.

Ava pours 3 gallons of paint equally into 5 cans

How do you know to add or subtract when doing polynomials?

how can you determine which of the three numbers is the hypotenuse once the hypotenuse is identified then doe it matter which length you substitute for the a and b in a^2+b^2=c^2 justify your answer

Write each phrase as an algebraic expression 65 less than j