Answer:
23
Step-by-step explanation:
Using the best fit equation y = 1.5x - 1
with x = 16 ( number of years since 2000 ), then
y = (1.5 × 16) - 1 = 24 - 1 = 23
Answer:1) 9*13=117
2)1/2*14(9+15)=168
3)1/2*18*11=99
Answer: the plus sign
