0.9x12=10.8,, 10.8-6.3=4.5. The number is 12
Answer:
I am pretty sure it is when you have a sequence of numbers that you are subtracting or adding from by the same constant over and over
Step-by-step explanation:
an=a1+(n-1)d
d=common difference
an= the nth term in the sequence
a1 first term in the sequence. (Usually you can plug in 1, as the n, and work from there)
Answer:
A
Step-by-step explanation:
Given:
Oven's temperature rose 3 degrees in
of a minute.
To find:
How much will the oven heat up in 1 minute at that rate?
Solution:
According to the question,
Oven's temperature rose in
of a minute 
Oven's temperature rose in 1 minute 

Therefore, the oven's will heat up 18 degrees in 1 minute.