On the top problem: Angle A and Angle B are a right angle so it equals 90 degrees. If Angle B is 50 degrees that makes Angle A 40 degrees. Angle A and Angle C is a straight line and equals 180 degrees so if Angle A equals 40 degrees that means Angle C equals 140 degrees.
Answer:
the excel that would be used to construct a confident interval estimate is (A) NORM.S.INV
Step-by-step explanation:
NORM>S>INV returns the of the standard normal cumulative distribution.
It is a cap-size parabola. The parabola "goes down". The graph of this function looks like in this attached picture.
Answer
777
Step-by-step explanation:
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Answer:
i got 178
Step-by-step explanation: