Answer:
see below
Step-by-step explanation:
cos(420°) = cos 60 = 1/2
sin(450°) = sin 90 = 1
Answer:
m
2
−2m+3
Step-by-step explanation:
Answer:
5 units
Since they both have the same y value, just subtract the a value's x from the b's x value
It the second one. the net for a square pyramid.
Answer:
see explanation
Step-by-step explanation:
Note that (x² + 5)(x² - 5) are the factors of a difference of squares
a² - b² = (a + b)(a - b)
with a = x² and b = 5, hence
(x² + 5)(x² - 5) = (x²)² - 5² =
- 25, thus
3(
- 25) = 3
- 75