Answer:
-11 boys -6 girls
Step-by-step explanation:
Hello, the answer is vertical. It also shifts down 15/2 units.
Answer:
32.59 (nearest hundredth)
Step-by-step explanation:
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<u>Geometric sequence</u>
General form of a geometric sequence: 
(where a is the first term and r is the common ratio)
Given:

Therefore:
<u>Sum of the first n terms of a geometric series</u>:

To find the sum of the first 20 terms, substitute the found values of a and r, together with n = 20, into the formula:


The answer is D. The bottom number is multiplied by two each time.