Complete the equation with numbers that makes the expression on the
right side of the equal sign equivalent to the expression on the left side.
75a+25b=_ (_a+b)

1. what are the missing reasons in the proof 2. it's in the second picture and 3

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?