Answer:
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Step-by-step explanation:
Steps:
Subtract 4 from both sides:
Simplify:
Divide both sides by 12:
Simplify:
Answer: Answer A: Both classes have a range of 45
Step-by-step explanation:
above the two graphs we can see a number line ranging from 50-100
bellow that, we can see 2 box and whisker plots, one for second period and one for fourth period. the larger rectangular boxes show all the number results, the line in between them states the average result. Both lines have starting points at 55 and ending points at 100.
100-55=45 45 being the range. Since 2nd and 4th both share the same range answer A could possibly be correct
B is wrong because 2nd period has a median of 90
C is wrong because no periods have a median of 100
D is wrong because most of the students scored an 85+
conclusion: answer A is correct
Answer:
Brainless bruv I gonna say that's a insult but ok
Step-by-step explanation:
first of all you times every number with two 2(n-7) then collect like terms then divide
