Francesca is a single mother making $645 per week after taxes. she spends one-third of her money on rent and utilities and puts 5% of the remaining money in a savings account for her daughter’s education. how much money is left over for francesca to spend on her other expenses?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?