Calculate the area of a 3-inch by 5-inch photo. what would be the area if it is enlarged by a scale factor of 2? what would be the area if reduced by a scale factor of 1/2?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

One integer is 8 times another. if the product is 72, then find the integers

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.