Answer: A
Hope this helps!
The easiest way is to use (& to memorize) the sum formula for a AP:
Sum = 1st term added to the last term & multiplied by half the number of terms
S = (a+l)n/2
S = (5 + 53)(7/2) = 203
809.65 that is the answer i think
The answer is (x+3)(x+5).
Answer:
the first one is 1/45
the second one is 45
Step-by-step explanation:
i hope this helped