Answer: 54
Explanation step by step: according to bidmas you must open the bracket first before any other thing. so the solution is 5×5-7×3
Answer:
the lines are perpendicular
Step-by-step explanation:
sin²x + cos²x = 1 ⇒ cos²x = 1 - sin²x
= 1
the answer I think your looking for is C
B
The Central Limit Theorem (something to look up!) says as the sample size increases, the sample mean approaches the population mean.
