Answer:
the radius would be half of 45 so if you half it i think it would be 22.5 but someone correct me if im wrong
Step-by-step explanation:
have a good day
Answer:

Step-by-step explanation:

First, we multiply both fractions by 8:

Simplify:

Answer:
Option D) B and C
Step-by-step explanation:
we know that
To find out the percentage of high school teachers that have a second job, divide the number of teachers that have a second job by the total number of teachers
<em>Survey A</em>

Convert to percentage

<em>Survey B</em>

Convert to percentage

<em>Survey C</em>

Convert to percentage

<em>Survey D</em>

Convert to percentage

Compare the percentages
Surveys B and C have the same percentage
therefore
Surveys B and C show proportional results, because the ratio of the number of teachers that have a second job by the total number of teachers is equal (this number is the constant of proportionality k in a proportional relationship between two variables)
Answer:
a square, rectangle,trapezoid
Step-by-step explanation: