The grades received by 200 students follow a normal distribution. The mean of the grades is 70%, and the standard deviation is 7%. the number of students who received a grade higher than 70% is about __,
and the number of students who received a grade higher 84% is about___.

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in

Which expression and diagram represent “renee biked four times as far this month as last month”?

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar.what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways