Answer:
Common difference is 3. And the first term is 64.
Step-by-step explanation:
The differnce between 21 and 10 is 11. So there are 11 unknown numbers in between. And the difference between 37 and 4 is 33. 33/11 is equal to 3. So the pattern is minus three. the first term is 9 terms before 37. 9 times 3 is 27. 37+27 is equal to 64. so the first term is 64
No, John is incorrect.
<h3>
Correct work shown:</h3>
The correct answer should be x = 7 or x = -1
Answer:9+10 is 19
1+1 is 2
2+2=4
9 * 9 is 81
12 * 12= 144
last one not sure
Step-by-step explanation:
Answer:
meters
Step-by-step explanation:
Recall to find the circumference of a circle the formula is 
or 
.
We start by substituting 4.7m for r in the second circumference formula.
. We input this value of r into the area formula.
