Answer: is b Explanation: because the two angles have a sum of 90 degrees
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If you are referring to
, these are the steps.
Remember that the denominator of -15 is 1
Do keep, change, flip for division of fractions
It'll equal 1/45 since the two negatives cancel out.
The probability of the first computer having a bad video card is 37 percent counting all eight computers. If we only count the seven that are discussed then the percentage would be 43