Cindy tutors for $20 per hour and gets a $5 tip. Part A

Which of the following functions represent this situation, if E is Cindy’s total earnings and h is the number of hours she works?

a
E(h) = 20h + 5
b
E(h) = 5h + 20
c
E(h) = 25h
d
E(h) = 20h

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Write the following as a base and exponent

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3