There are 720 dishes that need to be rinsed. Josh can rinse them in 72 minutes by himself. It will take his friend Felipe 144 minutes to rinse these dishes. How long will it take them if they rinse these 720 dishes together?
minutes

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )