I am thinking of two numbers. Sum of these two numbers
is 58, and the difference of these two numbers are b.
What are the two numbers?
What is the answer to this problem?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

What is the reflection image of (5,-3) across the line y = -x?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.