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Matching Quantities with Units
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Match the measureable quantity given by its formula with the appropriate unit(s).
volume = (length)(width)(height)
square meters
area = (length)(width)
meters per second
speed = distance/time
meters
perimeter = 2 (length) + 2 (width)
cubic centimeters
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4

step-by-step explanation:

answer: 75°

step-by-step explanation:

∠esk is the supplement of ∠edk, so is 100°. ∠esd = 1/2·arc ed, so is 25°.

since ∠esk = ∠esd + ∠dsk

you have 100° = 25° + ∠dsk . .

fill in known values 75° = ∠dsk . . . . .

subtract 25°

step-by-step explanation:

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.