Answer:

Step-by-step explanation:
Given
Cost of Textbooks ---- Frequency
$25 up to $35 ----- 2
$35 up to $45 ------- 5
$45 up to $55 ------- 7
$55 up to $65 ------ 20
$65 up to $75 ---- -- 16
Required
Determine the relative class frequency for the $25 up to $35 class
First, we need to get the total frequency


Next, is to write out the frequency of $25 up to $35 class

Divide this frequency by the total frequency; This gives the relative frequency



Hence;
Option D answers the question
False- the included angle must be a right angle for cos C to be 0 & two other points are normally used
Emma will not receive a free cupcake.
The cupcake will only go to every 4th customer.
Emma is the 1st customer.
Answer:
2
Step-by-step explanation:
2 - 1 1
------ = ----- = 2
1 - 1/2 .5
Answer:
c/8
Step-by-step explanation: