Answer:
x = 3
Step-by-step explanation:
20 is the tenth digit in the quotient
ANSWER
Emma is 44" tall
EXPLANATION
We have that David cast a shadow 42 inches long and he is 66 inches tall.
At that same place and time, Emma cast a shadow of 28 inches.
Since they are at the same spot and time, we can conclude that the ratio of their height to shadow must be the same.
Let Emma's height be x.
The ratio of David's shadow to height is:
42 : 66 or 42 / 66
For Emma, it is:
28 : x or 28 / x
That means that:

So, Emma is 44" tall.
Answer:
C
Step-by-step explanation:
because if the pattern were 2 on heads and three on tails the next flip would be heads
Answer:
180th caller
Step-by-step explanation:
45 * 4 = 180
60 * 3 = 180
180 is the LCM