The amount 5th grade students grow during the school year is normally distributed with a mean of 4 inches and a standard deviation
of 1 inch as shown below.
2
3
4
5
6
growth of sth graders (in.)
out of 1,000 5th graders, how many grow between 2 inches and 4 inches?
475
487
493
502

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d

On average, a continental shelf drops 0.12 m per 100 m. at 22.5 m from the shoreline, how much distance has the continental shelf dropped?