Answer:
D. ±11
Step-by-step explanation:
x = ±
which simplifies to:
x = 11 and x = -11 (which is basically ±11)
Answer:
441
Step-by-step explanation:
Use a proportion.
756 miles is to 12 hours as x miles is to 7 hours
756/12 = x/7
12x = 7 * 756
12x = 5292
x = 441
Answer: 441 miles
Answer:
b = 8
Step-by-step explanation:
b + 3.5 = 11.5
Subtract 11.5 from 3.5 to get her brother's age
Answer: Its most likely C
Step-by-step explanation:
I think