Which choice are equivalent to the fraction below? check all apply. 30/90

A. 15/45
B. 2/3
C. 1/3
D. 6/12
E. 20/40
F. 5/15​

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.