40miles per hour is how many feet per second? Make a unit analysis. Round your answer to the nearest hundredth.

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

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0