2(5)^2+10
2(25)+10
50+10
60
Yes
2+2=4 because if you have 2 and you add another 2 you will have 4
The unknown shape could be a rectangle, parallelogram, or kite.
:)
Answer:
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Answer:
Runner B
Step-by-step explanation:
speed = distance ÷ time
Runner A: 1 ÷ 8 = 0.125m/ms
Runner B: 2 ÷ 10 = 0.2m/ms
Runner C: 3 ÷ 20 = 0.15m/ms
Runner D: 5 ÷ 30 = 0.17m/ms
Runner B has the highest speed so he is the fastest runner.