Answer:
(2+i)(2-i)
Step-by-step explanation:
Answer:
a. 20
b. 5
Step-by-step explanation:
The scale factor is 5 because 6×5=30
a. 4×5=20
b. 25÷5=5
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the answer would be
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29^2
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(dont forget the square root )
29²
y=4x+40
x represents the number of minutes
y is the total
40 because he already graded 40 papers, and 4x because that's how many phred grades times the number of minutes