The number of hours per day a college student spends on homework has a mean of 4 hours and a standard deviation of 0.75 hours. yesterday she spent 3 hours on homework. how many standard deviations from the mean is that?

If 3.25 is 5 what is 1

CD HI MN RS what's next?

What two numbers add to equal ten and multiplies to equal negative seven?

Which of these is equivalent to 3π/5 rad? A) 108° B) 150° C) 216° D) 300°

Of all the weld failures in a certain assembly, 85% of them occur in the weld metal itself, and the remaining 15% occur in the base metal. A sample of 20 weld failures is examined. a.

Mark, evan, and cayla are playing a game. there are 3 blue marbles, 2 red, and 1 green marble. if mark pulls a blue marble he gets $1. if evan pulls a red marble, he gets a $2. if cayla pulls a green marble, she gets $3.

How do you reduce 12/30 by 1/2

Maria's age of 17 years less than Orlando's age. The sum of their ages is 33 find their ages.

John had $21 to spend on 2 notebooks. After buying them he had $13. How much did each notebook cost?

A right triangle has an angle that measures 34 and the adjacent side measures 17. What is the length of the hypotenuse to the nearest tenth? F. 20.5 G. 25.2 H. 30.4 J. 34