<span>2x + x = 12
=> x =12/3 =4
so, original number is 84. </span>
Answer:
the order pairs show us how many feet the hot air balloon rises in a certain amount of seconds
Step-by-step explanation:
Yes, 3 yards is bigger than 21 feet because there are 3 feet in a yard.
Answer:
B) 
Step-by-step explanation:
1. First, we have to know that two negatives equal positive.
2. Given the information above,
can simplify to
.
3. Let's go through each answer choice and see which one also simplifies to
.
A:
B:
Therefore, the answer is B)
.
Answer:
Y=mx+b
Step-by-step explanation:
mx = slope
b = intercept (the place where the line hits the y axis)