ok what you need in 3 and 4
Answer:

Step-by-step explanation:
The probability that Boris is assigned a moderate-difficulty question would be the ratio of number of moderately difficult questions to the number of total questions available.
The quiz consists of 2 high difficulty, 7 moderate difficulty, and 6 low difficulty questions. That is 2 + 7 + 6 = 15 questions in total.
and
the number of moderately difficult questions is 7
Hence the probability would be 7/15
Answer:
median = 27
range = 29
mode = 32
maximum value = 41
interquartile range = 21
minimum = 12
upper quartile = 35
mean = 25
lower quartile = 14
Step-by-step explanation:
hope i helped
Step-by-step explanation:
It is easy
You can do by calculater
The answer is <a is congruent to < d
because you already have <abe = <dbe