Give right answers pls and i will give brainliest and extra points :D 4 8/12 - 3 2/6 = ?

A: 7 4/12

B: 4 4/12

C: 1 10/18

D: 1 4/12
also pls explanation for proof.

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17