1 = 4
a2 = -2(a1) - 1
a2 = -2(4) - 1
a2 = -9
a3 = -2(a2) - 1
a3 = -2(9) - 1
a3 = -19
Can you do a4 and a5 and answer?
Step-by-step explanation:


= -1 × 729
= -729
Answer:
it descended 31 Feet b b b b b b b b b bb b b b b b b b b b b
if you are trying to work out -3/4 - (-1/4 - 1/2) then the answer is 0
Write and solve an equation of ratios:
6 inches 1 inch
-------------- = ------------
60 inches x
Cross-multiplying, 6x = 60, so x = 10 inches (answer)