A) 7

b) 13

c) 17

d) 23

298-275 = 23 cm thus D) is the answer

Step-by-step explanation:

First Box:

lengthl = 9.5 cm

widthw = 5 cm

heighth = 7 cm

diagonald = 12.8160056 cm

total surface areaS_tot = 298 cm2

lateral surface areaS_lat = 203 cm2

top surface areaS_top = 47.5 cm²

bottom surface areaS_bot = 47.5 cm²

volumeV = 332.5 cm³

Second Box:

lengthl = 7.5 cm

widthw = 5 cm

heighth = 8 cm

diagonald = 12.0519708 cm

total surface areaS_tot = 275 cm²

lateral surface areaS_lat = 200 cm²

top surface areaS_top = 37.5 cm²

bottom surface areaS_bot = 37.5 cm²

volumeV = 300 cm³

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

stop cheating

step-by-step explanation: