According to her doctor, Carrie is under-weight. For health reasons her doctor advises that she gain weight before her next appointment in 3 months. He said she should gain at least 10 pounds, but less than 30 pounds to move into a healthy weight range. Which inequality graph represents this situation?

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?