Speed of pulley A = 300 r. p.m. Speed of pulley B =

rip. m.

Speed of pulley C =

r. p.m

Speed of polley D-

r. p.m.

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

What is the upper quartile in the box plot?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0