There are two numbers the second number is 1 larger than twice the first number. The sum of the reciprocals of the number is 7/10. Find the two numbers.

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15

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?