The simple interest earned on a deposit of $4,000 at 5% for 120 days. a. $24.00 b. $66.67 c. $240.00 d. $666.67

Option B    

Step-by-step explanation:

we know that

The simple interest formula is equal to

where

P is the Principal amount of money to be invested

r is the rate of interest in decimal form

t is Number of Time Periods in years

in this problem

we assume that

substitute in the formula above

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33