In triangle ABC, AC = 8 cm, BC = 5 cm, and mZACB = 30°.
Exactly how long is AB ?

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.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Determine the area of a triangle with (see picture below)