21/8 converted into a mixed number equals

A previous study claims that 75% of all students graduate on time. You believe the percentage is lower than that. In a random sample of 200 students, 142 will graduate on time. At the significance level. 05, what conclusion do you draw?

Given: x - 5 > - 2. Choose the solution set. A) x B) x R, x > - 3 C) x R, x > 3 D) x

Do all 6-digit numbers have 6 addends in their expanded form? Explain

Pyramid A has a square base with side lengths of 6 meters, and 4 triangular sides with a base of 6 meters and height of 7 meters. Pyramid B has a rectangular base with length of 6 meters and height of 4 meters, and 4 triangular sides.

A hiker begins on top of a mountain that stands 12,500 feet above sea level. He walks down to the valley that is 250 feet below sea level. What is the difference in elevation between the mountain top and the valley?

If my diameter is 19 inches, what is my radius?

What is tge area of wall space that is not covered by chalkboard paint

People who often attend cultural activities, such as movies, sports events and concerts, are more likely than their less cultured cousins to survive the next eight to nine years, even when education and income are taken into account, according to a

By the interior angles theorem, if angle a is 25 degrees and angle b is greater than 51 degrees but less than 57 degrees what are the possible measurements for angle c

The square of a positive number decreased by twice the number is 48. Find the number