Answer:
i think its A..............
Step-by-step explanation:
A
the answer is -5x + 9. subtract liketerms.
Explaination:
2x - 7x = -5x
-(-5) is positive 5
5 - (-4) = 9
-5x + 9
Answer:
0
Step-by-step explanation:
cos(60) = ½
sec(60) = 2
sin(30) = ½
cosec(30) = 2
sin(0) = 0
2 - 2 - 0 = 0
Answer: no idea
Step-by-step explanation:
Answer: it should be C
Step-by-step explanation:
proof is (countable) an effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial while theorem is (mathematics) a mathematical statement of some importance that has been proven to be true