Answer:
1: 18 2:18 3:18
Step-by-step explanation:
Answer: 15 is 25% of 60
15/.25=60
16
Each term in the second factor is multiplied by each term in the first factor, that is
y(y² + 4y + 16) - 4x(y² + 4y + 16) ← distribute both parenthesis
= y³ + 4y² + 16y - 4xy² - 16xy - 64x
Compare - axy to - 16xy ⇒ a = 16
189
The area of the equilateral triangle is
