Working together, jo and ralph can do the garden chores in 6 hours. it takes jo twice as long as ralph to do the work alone. how many hours does it take jo working alone?

Match each function with its rate of growth or decay

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15