A cell phone tower that is 70 meters tall is built on level ground and casts a shadow 230 meters long at a particular moment.
Find the angle of elevation of the sun relative to an observer
standing at the tip of the shadow.

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

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.

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0