From the 3rd term to the 8th term, we'd need to use the "common difference" or "d", 5 times, namely add it that many times, to get the 8th term, thus

we know the 3rd term is -12, so the first one has to be -12+5+5, undoing the -5's, so the first term is -2.
6 ft 3 inches
1 inch = 0.0833 ft.
Answer: 73.50
Step-by-step explanation:
I am assuming that the new price is 36.75
50% is 1/2
36.75·2=original price
original price=73.50
Answer:
below
Step-by-step explanation:
n = 30
cos 2*30 = cos 60 = 1/2
sin 30 = 1/2
2m = 30
m=15