Answer:
(xy - 4)(xy + 4).
Step-by-step explanation:
The is the difference of 2 squares.
a^2 - b^2 = (a - b)(a + b: so we have:
x^2y^2 - 16 = (xy - 4)(xy + 4)
When grades are expressed as a quantity of 1, such as two feet per second or 5 miles per hour, they are called unit rates.
Answer:
0.33-0.25= 0.08
then 1999-1989= 10
lastly 0.008
Step-by-step explanation: so the average rate of
change in postage in<em><u> cents</u></em> per year. is 0.8 of a cent. or 0.008 of a dollar.
Answer:
a = 8/3
Step-by-step explanation:
3a - 1 would equal 7
3a = 7 + 1
3a = 8
a = 8/3
The answer is the 3rd option. The first change is a rotation then a reflection.