Answer:
n = 18
Step-by-step explanation:
when you are multiplying, you add the exponents. 2 + x = 20. so by using subtraction we find that x = 18.
Terri walked in her own 93rd percentile, while April swam in her own 99th percentile. April is off to a slightly better start.
Solution:
We are given below frequency table:
Amusement-Park Museum Broadway-Show Total
Juniors 57 21 42 120
Seniors 64 44 58 166
Total 121 65 100 286
We have to find the percentage of surveyed students who chose the amusement park.
From the table, we see there are total 121 students who chose amusement park out of total 286 students.
Therefore, the percentage of surveyed students who chose the amusement park is given below:

Hence, the option A. 42.30% correct.
Answer:
97.5
Step-by-step explanation:
3.5cm cube surface area:
3.5*3.5*6 (the 6 faces of the cube) =
73.5
2cm cube surface area:
2*2*6 =
24
combined surface area:
73.5+24=
97.5
The greatest common factor of those numbers is 8.