To calculate the number of stars given to a garment on a website, the site averages customer ratings but weights more recent ratings more heavily. a garment has ratings of 1 and 3 this week and 4 and 8 last week. if this week's ratings are weighted twice last weeks, what is the overall rating for the garment?

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:

Write a story that matches with the expression 42x-5 pls hurry

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market