Rob can tar a roof in nine hours. one day his friend kayla him and it only took hime 4.74 hours. how long would it take kayla to do it alone

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?

Carl is boarding a plane. he has 22 checked bags of equal weight and a backpack that weighs 4 \text{ kg}4 kg. the total weight of carl's baggage is 35 \text{ kg}35 kg.