Answer:
option 4 is the answer to this question
answer: x=6
Step-by-step explanation:
move all terms that don't contain x to the right side and solve.
I think its he didnt eliminate the same variables
Answer:
a) never true
Step-by-step explanation:
a radius is always half of a diameter
Answer: 3 mph
Step-by-step explanation:
1. 1/2 mph for 1/2 an hour as they said, meaning that they would've walked for 3 miles kn an hour.
2. 4 and 1/2 miles.
3 + 1 2/4. = 4 1/2
3. 1 3/4 hours.
3 + 2.25 = 5.25
3 x .75 = 2.25
3 miles per hour.