Which equation has a solution of x=8.5? A −5x=42.5negative 5 x is equal to 42 point 5

B −3x=−25.5negative 3 x is equal to negative 25 point 5

C x−3.5=12x minus 3 point 5 is equal to 12

D x+2.5=−11
Pls Help!!

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.