Answer:
Here are some formulas and some info to get you started:
Step-by-step explanation:
Parallelogram:
Area = Base · Height
Triangle:
Area = 1/2 · Base · Height
Know that the height is the vertical dotted line. Also know that the horizontal dotted line attached to the base is not actually part of the base.
If you need any more help let me know, and good luck!
Answer:
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0.48076923
Step-by-step explanation:
200 grams is is 0.2 kilograms, so you would pay $0.88 because 4.40x0.2=0.88
Answer:
P=1/42.
Step-by-step explanation:
We know that the student council has 10 members where 5 of the members are Seniors. They need to choose a President, Vice President, Secretary and Treasurer. We calculate the probability that the President is a Senior:
We calculate the number of possible combinations:

Number of favorable combinations is 5.
Threfore, the probability is
P=5/210
P=1/42.