Which expression is equivalent to the expression 1/4 (x-2)+ 1/3x? A. 7/12x-1/2
B. 7/12x-2
C. -1/12x-1/2
D. -1/12x-2

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Multiply. write your answer in simplest form. 3/8 x 5/7