A bicyclist started from rest along a straight path. After 2.0s, his speed was 2.0m/s. After 5.0s, his speed was 8.0m/s. What was his average acceleration?

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?