Answer:
144x^2−y^2−169 because ther are no like terms
Step-by-step explanation:
60x1.15=69
Retail price is $69
Answer:
240 seventh graders passed
Step-by-step explanation:
300 x 0.8 = 240
Answer:
Step-by-step explanation:
Use the Quadratic Formula.
-x² - 4x + 16 = 0
x = [4±√(4²-4(-1)(16)]/[2(-1)] = [4±√80]/(-2) = [4±4√5]/(-2) = -2±2√5
