Answer:
length, width, and height are (b+2), (b-2), (b+3)
Step-by-step explanation:
Doing what the problem statement tells you to do, you get ...
(b^3 +3b^2) -(4b +12)
= b^2(b +3) -4(b +3) . . . factor each pair of terms
= (b^2 -4)(b +3) . . . write as a product
= (b -2)(b +2)(b +3) . . . use the factoring of the difference of squares
The three factors are (b-2) , (b+2) , and (b+3). We have no clue as to how to associate those with length, width, and height. We just know these are the dimensions of the box.
The inequality would be written out as x is less than or equal to five, so the answer is B
Answer:
y < 8
Step-by-step explanation:
First, distribute that -3 over (3y + 4), obtaining -9y - 12 < -12y + 12.
Next, add 12y to both sides, obtaining 3y - 12 < 12, or 3y < 24
Then y < 8 must be true.
Answer:
B. 48 pages
Step-by-step explanation:
Pages of a book she reads within a day = 12
Pages of a book she reads within 4 days= 12×4
=48
Median is the number in the middle when all the numbers are put in order.
Let's do that first.
30 52 61 65 68 68 69 75 78 85
Now if there's 10 numbers, 2 numbers are in the middle.
By counting in 4 on both sides, we know the two numbers are both 68, so 68 is the median.
