Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the estimate using front-end estimation? Negative 21 divided by 4
Negative 21 divided by 5
Negative 20 divided by 4
Negative 20 divided by 5

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.

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

In which form is the following function written? y = - 2(x – 3)(x + 5)