An experiment was conducted to evaluate the success of an ebola virus vaccine. the subjects were unaware of the treatment they were given. what is this type of blinding used to prevent? (4 points)
question 5 options:
1)
grounds for malpractice suits
2)
subjects assigned randomly to treatments
3)
a possible source of bias
4)
injury to the subjects
5)
the placebo effect

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

Carly stated, “all pairs of rectangles are dilations.” which pair of rectangles would prove that carly’s statement is incorrect?

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?