Since there are equal of each and there are four colors it is out of four, now because it is an equal amount of each color and there are two colors then there is a 2/4 chance of pulling a red or blue marble.
Perimeter=sum of side lengths...
P=2L+2W
P=2(L+W), in this case L and W are 30 and 40 so
P=2(30+40)
P=2(70)
P=140
So 140 feet of fencing is needed to replace the fence.
The amount of sod needed is equal to the area which is LW
A=30(40)=1200 ft^2
Answer:
112
Step-by-step explanation:
Answer:
345
Step-by-step explanation:
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Rational and a real number because for one, all numbers are real, and a rational number is a number that can be a fraction