(8.02 LC) The coordinate grid shows the graph of four equations

Which set of equations has (1, 2) as its solution?
O A and D
O C and D
O A and C
O B and D

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )

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%