Which of the following would produce valid inferences when sampling a population?

A. Only include the first people in the population that are available to participate in the survey
B. Only conduct written surveys
C. Randomly select participants
D. only accept voluntary responses

false

step-by-step explanation:

4y - 6 + 4y^2 - 9

before simplifying this contains 4 terms

after simplifying

4y -15 + 4y^2

it contains 3 terms

c 1 hour

step-by-step explanation:

m = 2e

m = 2 so 2 = 2e

1 = e

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: