Find the gradients of lines A and B. I worked this out and can yall please confirm that the awnser is indeed,
For Gradient A=4 and Gradient B=-2?

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

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.

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is