If a sample of 26 students is taken from a population of 135 students, the
population variance, 02, is the variance of how many students' heights?
O A. 26
B. Neither 26 nor 135
O C. Both 26 and 135
O D. 135

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12