With at& t’s one rate plan you are charged 10 cents per minutes plus $4.95 for long distance service for one month. if a long distance bill is $8.65, then what is the number of minutes used?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective