Marco has downloaded 80% of a video and used 72 megabytes of data storage on his computer. how many megabytes of storage will marco need to store the whole video?

What value is equivalent to 5 + [5 × (4 + 2)]? a) 35 b) 45 c) 60 d) 110

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%