Answer:
x-7x+5
Step-by-step explanation:
4+x-7x+1
x-7x+5
Answer:
20
Step-by-step explanation:
to find the mean, it means to find the average.
steps:
first, you add up all the numbers.
then you divide that total number by the total number of numbers you have.
and that is ur answer!!
17+19+21+23=80 add up all numbers
80÷4=20 divide total by the amount of numbers
The average/mean is 20.
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Answer:
shop B
Step-by-step explanation: 3.80*2=7.6
Answer:
-213.98
Step-by-step explanation:
256 in2 = s2
sqrt(256) = 16 → side length = 16
rectangle width = 16, length = 16+2 → 18
18 x 16 = 288 in2