If it took 7 hour to mow 4 lawns, then at that rate how many lawns could be mowed in 35 hours? at what rate per hour were lawns being mowed?

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.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

Find the percent error of the measurement 4 cm