Answer: the fourth option: you make a percent proportion with the amount of change over the original amount
Step-by-step explanation:
To find the area of a semicircle you would use the formula A=pie * r ^ 2 If you fill in 40 for r you would get 5026.5482
90/110 reduces to 9/11. Good luck!
Answer:
9-2i
Step-by-step explanation:
(1 + 2i) * (1 - 4i)
(1*1)-(1*4i)+(2i*1)-(2i)*(4i)
(1)-(4i)+(2i)-(8i^2)
i^2 = -1
1-4i+2i+8
1-2i+8
9-2i
Answer: 4
Step-by-step explanation:
