Answer:
25
Step-by-step explanation:
250 / 10=25
2. an=20+an−1 and a1=145
she starts with 145 so a1=145 and then adds 20 every month: an=20+an−1
Answer:
22
Step-by-step explanation:
a = 14
b = 8
therefore, you just add that and get your answer
Answer:
81
Step-by-step explanation:
divide 405 by 5 to get the number of rotations per minute.
I think it is<span> quadratic</span>