Idk Thai is for me to get points
Answer:
r=20%
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above
solve for r

The value of x in the expression, x 2 = 9 is 4.5
9 divided by 2 = 4.5
Answer:
E because he is 9/16 standard deviations away from the mean, which is an improvement from 1/10 standard deviations
Hope this helped and brainliest please