Use simple interest to find the final value. $20,600 at 8% for 2 years

A.) $22.345
B.) $23,896
C.) $21,343
D.) $23,756

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?