Benson spends 5/6 of an hour reading each day for 3 days. How long does Benson spend reading this week?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?