Answer: the heart works to pump through the body systems
Answer:
(y - 4)(y + 4)
Step-by-step explanation:
y² - 16 ← is a difference of squares
Since y² and 16 are both squares separated by a difference , that is minus
A difference of squares factors as
y² - 16
= y² - 4²
= (y - 4)(y + 4)
Answer:
b/a=9, 9 is the answere
Step-by-step explanation:
i did it mentally lol
There is a 6% decrease as 639.20 divided 680 is 0.94. Meaning 6% decrease.
ANSWER

EXPLANATION
The given expression is

This is the same as:

In index notation, we write this as

To write this as a negative index, we use the property:

This implies that;
