Ab and ad are tangents of the circle with the center at c. the measure of bdc = 45o, and the circle has a diameter of 4. which is the length of ab?    

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?