Which equation corresponds to the function described in the table. x | y
0 -7
1 -4
2 -1
3 2
4 5

A) y=x-7
B) y=x-3
C) y=x-1
D) y=3x-7
Please Help!

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

The triangles are similar. what is the value of x? enter your answer in the box.