The answer is D. Think of the Pythagorean Theorem which states that a^2 + b^2 = c^2. The Pythagorean Identities used in trigonometry are the angle version which can be used to simplify expressions.
Answer:
$385
Step-by-step explanation:
7x$40=280
3x$35=105
280+105=385
The slope is undefined .............Lol D;)