Answer:
30
Step-by-step explanation:
Answer: 12.5 or 12 1/2
Step-by-step explanation:
Answer:
x = 0, 7
Step-by-step explanation:
Step 1: Write out equation
x² - 7x = 0
Step 2: Factor out <em>x</em>
x(x - 7) = 0
Step 3: Find roots
x = 0
x - 7 = 0
x = 7
Yes and they will always be coplanar.