a contractor charges $1200 for 100 square feet of roofing installed. at this rate how much does it to have 1,100 square feet installed​

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance