A brand new smartphone costs $1200. It decreases in value by 13.3% every year after its purchase. Which function models the value of the phone x years after its purchase? Question 8 options:

f(x)=1.133(1200)x

f(x)=1200(1.133)x

f(x)=1200(0.867)x

f(x)=0.867(1200)x

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

What is the the greatest common factor ?

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer