35: 83 is the ratio of kids
Answer:
48 right-handed players
Step-by-step explanation:
first, make an equation

then, cross multiply and the new equation is

finally, divide by 100 on both sides to isolate the x and you get
x=48
Answer:
11.57
Step-by-step explanation:
We have a simple formula to solve this:

where
SS is sum of squares
s^2 is the variance, and
n is the number of data points
We are given all the info to find out s^2. Hence,

Answer:
128888b
Step-by-step explanation: