Atelephone company offers two plans with per-minute charges. plan a involves a monthly rental of $12, and call charges at 7¢ per minute. plan b involves a monthly rental of $15, and call charges at 5¢ per minute.
write an inequality in terms of the number of minutes which shows when plan a is less expensive than plan b. solve the inequality, showing the steps in your work.

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Arectangle is 81/2 feet long and 31/2 feet wide. what is the area of the rectangle in square feet?