Simply get the value of the angle and distribute away.
![\bf 3[cos(270^o)+i~sin(270^o)\implies 3[0+i( -1)]\implies 3-3i](https://tex.z-dn.net/?f=%5Cbf%203%5Bcos%28270%5Eo%29%2Bi~sin%28270%5Eo%29%5Cimplies%203%5B0%2Bi%28%20-1%29%5D%5Cimplies%203-3i)
Due to an ice storm, the price of oranges increased from $0.69 a pound to $1.99 a pound from one year to the next. What is the p
ercent of increase, rounded to the nearest tenth?
a. 188.4%
b. 118.4%
c. 18.8%
d. 65.3%
a. 188.4%
b. 118.4%
c. 18.8%
d. 65.3%
1 answer:
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