Answer:
31.
Step-by-step explanation:
5+5 = 10 + 1 = 11
12 + 12 = 24 +1 = 25
15 + 15 = 30 + 1 = 31
I don't know I tried to see if that was the pattern. It checks out math wise.
Answer:
a. Andrea is incorrect
b. By solving for x, we find that x does not equal 8, but it is equal to 7.
Step-by-step explanation:
8+4=2(x-1)
8+4=2x-2
12=2x-2
14=2x
x=7
Answer: D.
Step-by-step explanation:
Answer:
(D) 180 degrees
Step-by-step explanation:
There are 12 hours on the clock.
For each 1 hour, the hour hand rotates = 
From 8 o'clock in the morning to 2 o'clock in the afternoon= 6 Hours
Therefore:
Number of degrees rotated by the hour hand = 