Andy and sylvie each incorrectly simplified the expression -3 - 4(2x - 3). andy wrote -14x + 21 and sylvie wrote -8 - 6. explain their errors and give the correct answer.

The slope of a line is -1/2 . what is the slope of a line that is parallel to it? a. 1/2 b.2 c. -1/2 d. -2

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

Wanna brainliest? ! ms. mcmahon is building a shed as shown. what is the measure of the angle at the top of the shed? a) 126 b )116 c) 64 d) 32