Rachel earned $34 in 4 hours at her job today. she wants to know how much she could earn(e) tomorrow if she worked works 10 hours at the same hourly rate

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%