Arithmetic Sequence-Gr. 10
Give the correct answer and complete solution:


Find two terms between −20 and −35
a. -10 and -30
b. -25 and -30
c. -10 and -25
d. -25 and -22


Find the sum of the first 35 terms of the arithmetic series 1 + 4 + 7 + 10 + …. 
a. 1820
b. 1720
c. 1620
d. 1920

Pls. Pasagot po ng maayos!
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