Answer:
44
Step-by-step explanation:
You plug in both numbers for the corresponding letters
Answer:
x = 3 and x = -3 (aka. x = ±3)
Step-by-step explanation:
2x² - 18 = 0
x² - 9 = 0
x² = 9
x = ±3
Therefore, x = 3 and x = -3
Answer:
15 miles
Step-by-step explanation:
ratio problem
1 inch/5 miles = 3 inch/x
x = 15
