Suppose a 5-minute overseas call costs $6.45 and a 10-minute call costs $11.40. The cost of the call and the length of the call are related. Write an
equation to show the cost of a call for any duration. Approximately how
long can you talk on the phone if you have $51 to spend?

Find the difference (8ab+a+2) - (3ab+6)

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.