12) The school that Danielle goes to is selling tickets to a choral performance. On the first day of
1 answer:
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Answer:
Step-by-step explanation:
1.
2.
3. b =
Can't be simplified.
Answer:
Length = 15
Width = 6
Area = 90
Step-by-step explanation:
Area of the rectangle =
Lets factorise the polynomial
We know that Area = Length × Width
Let the length be (x + 3) & width be (x - 6)
Its given in the question that x = 12. So putting the value of x gives ,
Length =
Width =
Area = Length × Width = 15 × 6 = 90