Answer:
7
Step-by-step explanation:
3 + m =
3 + 4 =
7
As we can see that common difference is increasing to one more digit after every term
so it means
a21 = 231
Answer:
c=24
Step-by-step explanation:
Step 1: Add 7 to both sides.
1/3c−7+7=1+7
1/3c=8
Step 2: Multiply both sides by 3.
3*(1/3c)=(3)*(8)
c=24
hope i helped
-lvr
Good question i just can't figure it out!
42 square inches.
Step-by-step explanation:
A = 1/2 b × h
A = 1/2 x 12 x 7
A = 6 × 7
A = 42