Answer:
She forgot to flip the inequality sign when dividing both sides by -4
Answer:
which one are you talking about?
Step-by-step explanation:
explain
Answer:
Loss = 16.67%
Step-by-step explanation:
Assume cost price(CP) of 1 article = x
Therefore cost price of 25 articles = 25x
Given cost price of 25 article = selling price of 30 articles
Clearly, it is a loss.
Selling price(SP) of 30 articles = 25x


Answer:D
Step-by-stepA explanation: if you simply the fraction by 4/15. The answer is 0.26
The solution is equal to both numbers.
With
a standard deviation of 6 minutes, we will test the hypothesis that σ = 6
against the alternative that σ < 6 if a random sample of the test
times of 20 high school seniors has a standard deviation s = 4.51. use a
0.05 level of significance.
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