Which of the following increases the power of a significance test? (2 points) Decrease the variability of the data
Decrease the p-value
Increase α
I only
II only
III only
I and III only
I, II, and III

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point