The number of nails of a given length is normally distributed with a mean length of of 5.00 inches and a standard deviation of 0.03 inches. Find the number of nails in a big of 120 that are less than 4.94 inches long.

What is the solution to the inequality

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )