Topic: Arithmetic and geometric progressions. 1. The term of the series -2,1,4,7,10 is:
a) 145
b) 295
c) 895
d) 595
2. If in a PA, the first term is -2, the term 200 is 396, then its difference (d) is:
A) 5
B) 2
C) 4
D) 3
3. In a PA the eighth term is 161, d = 2, so the first term is:

A) 3
B) -1
C) 2
D) 4
4. If in a PA, the last term is 289, the first is 13 and the difference d = 4, then the number of “n” terms is:
A) 70
B) 71
C) 69
D) 68
5. In the series: 1,4,7,10,… .the sum of the first 300 terms is:
A) 134850
B) 133950
C) 89850
D) 850
Help me please!!

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.