Answer: The required expanded form is 6x-9.
Step-by-step explanation: We are given to expand the following expression :
We know that, for any real numbers a, b and c, we have
So, from expression (i), we get
Thus, the required expanded form is 6x-9.
Answer:
the answers are
8) e. opposite sides
9) d. vertices
10) c. opposite angles
11) b. diagonals
12) a. consecutive sides
Step-by-step explanation:
²
Calculate sum
To raise a fraction to a power raise numerator and denominator to that power
-3 x
Calculate product
-
Subtract fractions
16.25
B is correct
Side ratio is 40/25 = 8/5