Answer:
38 Tables
Step-by-step explanation:
182 + 274 = 456
456 / 12 = 38
D=rt and we are told d=546 and r=1.3m/s so
1.3t=546 divide both sides by 1.3
t=420 seconds so
420s(min/60s)=7 min
So it takes him 7 minutes to walk to Sara's house.
Answer:
Only one solution.
Step-by-step explanation:
1) Collect like terms.
2) Simplify
to
.

3) Expand by distributing terms.

4) Collect like terms.

5) Simplify.

Therefore, the answer is x + 39 and there is only one solution possible.
Answer:
7.
Step-by-step explanation:
28 = 2^2 * 7.
To multiply 28 to get a perfect square, we can multiply it by 7 to get 2^2 * 7^2, which is 14 squared.