Answer:
44-34= 10+89=99 marbles
Step-by-step explanation:
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Answer:

Step-by-step explanation:
we are given a trapezoid
we want to figure out the area
remember that,

where a and b represent the parallel lines and h represents the height
we get from the pic that a and b are 5 and 15 respectively and h is 7
so substitute:

simplify addition:

simplify division:

simplify multiplication:

since we multiply two same units we of course have to use square unit
hence,

25.3%
you have to do 4.06-3.24
then do that number divided by the original number then times by 100