The first two steps in the derivation of the quadratic formula by completing the square are shown below. Which answer choice shows the correct next step?
Step 1: ax^2+bx+c =0
Step 2: ax^2+bx=-c

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

Anyone know? will mark brainliest if correct

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry