What is the volume in cubic inches?

Break down the figure into 2 separate rectangular solid and find each volume and sum it.

Volume of smaller step: The volume of any rectangular solid is given by,

So we have

Volume of larger step: The only dimension that is different than the smaller step is of the height, which is 6. So we have,

Hence, the volume of the whole figure, in cubic inches, is

. Answer choice B.

ANSWER: B

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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i wish i could you, i have no idea how to answer this

step-by-step explanation: