The standard deviation of lamp heights at lights r is is about 7.2 inches. describe the lengths that are within two standard deviations of the mean heights of lamps inches
24 36 48 42
36 30 28 36

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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here is the

mark brainliest pl

$30.32

step-by-step explanation:

65.00*.12=2.80

65.00-2.80=57.20

57.20*1.06=60.632

60.632/2=30.316

c

step-by-step explanation: