From 2010 to 2015, a group of researchers conducted an experiment using two types of pain medication: pill A and pill B. The researchers gave the doctors the puis
in unidentified packages so they would not know which package was pill A and which package was pill B. The patients participating did not know which pill they
received either. What is this an example of?
A. The effect of a treatment unit
B. The placebo effect
C. A control group study
D. A double-blind study
E. Voluntary response bias

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

answer: im sorry i dont get it

step-by-step explanation:

the ratio would be 4: 3, the four being for jackson, and the three being not for him.