Martin charges $12 for every 3 bags of leaves he rakes. Last weekend, he raked 27 bags of leaves. How much money did he earn?

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.

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

The area of a circle is equal to 1 dm². find the radius of the circle.