Explanation:(a) Was this an observational study or an experiment? Explain your reasoning. Experiment, because certain variables were controlled (he sets the screen brightness to low and then starts a movie) to determine if iPhones last longer if the screen brightness is set to low, and it proves the cause and effect relationship.
(b) What is the explanatory variable and the response variable? Response Variable- To determine if iPhones last longer if the screen brightness is set to low Explanatory variable- he sets the screen brightness of 10 of the iPhones to high and starts a movie, then the other 10 to low and starts a movie.
(c) Was a random sample used to collect the data? Yes- “he selects a random sample of 20 brand new iPhones”
Answer: D. Electronic and Scannable
Explanation: because I took the test and got the answer right
Answer:
Option D
Explanation:
If Aggregate Demand happens to shift to the right that means the "consumer spending has increased" or option D. In this type of demand when it shifts to the right that means the buyer wants more of it and the demand for it increases while if the Aggregate demand shifts to the left that means they'res a decrease in demand for your product.
Hope this helps.
B. is slightly crooked when pressing the pedals
Body positioning while driving is to maximize control over your vehicle, comfort, and ensure that you don't suffer from back pain due to incorrect sitting posture.
To do this, make sure your bottom is firmly touching the back of the seat. Your seat should be raised high to give yourself maximum visibility and pulled back only enough, so that your knee is still slightly crooked when pressing down on the pedals.
Let me emphasize that you must make sure your seat is pulled far enough forward, so you can fully press the accelerator and the brake pedal, while still having a slight bend in the knee.
Answer:
fiction based on imagined future science
Explanation: