x² + 18 = (x - 3√2i)(x + 3√2i)
Answer:
(√6 - √2)/4
Step-by-step explanation:
cos30°cos45° - sin30°sin45°
= cos (30 + 45)°
= cos 75°
= (√6 - √2)/4
Answer: Marcie jogged twice as many miles this week as she jogged last week
Step-by-step explanation:
Answer: B
Step-by-step explanation:
-9 - 6 - (-8) = -9 - 6 + 8 = -7
2(16), 32, 2 x (9 + 7), 2 x 16
