Simple and clear springs on here

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket