Identify a, b, and c in the quadratic equation. 4x^2-9=0
A. a=4, b=1, c= -9
B. a=4, b=0, c=-9
C. a=4, b=1, c=9
D. a=4, b=0, c=9

The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?