A worker receives $3.80 per hour for the first 40 hours and "time-and-a- half" for any hours over 40 per week. What are the earnings if 45 hours are worked in one week?

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?