Chance can wash the car in 2 hours, while sandy can wash the same car in 4 hours. how many hours would it take for them to wash the car together?

)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?