The answer is D. 12
4, 3 and 2 are all factors of 12 (least common denominator)
Answer:
The fifth term is 620
Step-by-step explanation:
y=40×(-2)^(n-1)
The 5th terms means n=5
y = 40 * (-2) ^ (5-1)
= 40 * (-2) ^4
= 40 * (16)
= 640
X is equal to 45 because the whole thing is supposed to equal 180
