It’s 143° because it’s always 180° so you do 37°-180° and you get 143°
Answer:
see below
Step-by-step explanation:
i.
= √(3 + 4i)
= 2 + i
ii.
= √(-8 + 6i)
= √2(-4 + 3i)
iii.
= √(-40 - 42i)
= √-2(20 + 21i)
iv.
= √i
= √i
v.
= 
= 
Answer:
3rd number line
Step-by-step explanation:
Lin: 7x+14=91, 91-14=7x, 77=7x, divide each side by 7, x=11
noah: x+2=91/7, x+2=13, subtract 2 from both sides, x=11
487.2
Find mean by adding all numbers together and then dividing by the number of numbers