Brianliesttt asap!me : )

determine whether the situation calls for a survey, an observational study, or an experiment.

you want to find out if a new drug can lower blood pressure.

a. observational study

b. experiment

c. survey

A.

Step-by-step explanation:

This takes alot of extended research before you even think about using the drug on patients.

I am joyous to assist you anytime.

answer: 177/8

step-by-step explanation:

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: