Well you could count by threes and Fives and see your answer, 3,6,9,12,15, and so on and fives 5,10,15 and you have one match. 18, 21, 24, 27, 30 and 20, 25, 30. Two matches. They will blink at the same time about six times.
Answer:
the height is 14
Step-by-step explanation:
since the volume in a rect. prism is V = width x height x length, and the width times length is the area of the base, for height we need to do 840/60 to find the height
840/60 = 14
<span>The answer:
a^2</span>−<span>25<span>b^2
or
2(a-25b)
Hope this helps!
</span></span>
10+(-2)=10-2
Therefore 10-2=8
