Answer:
x = 24
Step-by-step explanation:
I checked and made sure the answer was correct.
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Answer:
b(a+c) this is answer okay
Answer: C, 420
Step-by-step explanation:
The first positive even numbers are from 2 to 40, so the sum is equal to the number of terms, times the number of terms plus one (20*21 = 420)
the sum is 420
.90 because 9/100 is greater than 9/10
