The us postal service handles 17 pieces of mail each year. this is 40% of the world's total. how many pieces of mail are sent each year

75

step-by-step explanation:

you do x-29=46 (the number of cantaloupes sold)

in order to find x, you have to find what minus 29 equals 46, meaning you'd have to add 29 to 46.

29+46=75

if you replace x with 75, the equation looks like:

75-29=46

x=75

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation: