Answer:
8x+6
Step-by-step explanation:
4x (4-2)=2
4X*2+6
8x+6
Answer:
-5x-10
Step-by-step explanation:
Answer:
A) 199 to 426 students
Step-by-step explanation:
We add and subtract the margin of error on the original percentage
This leaves us with 30% and 14%
30% of 1420 is 426
14% of 1420 199 (rounded to whole number)
Let's treat that one as a 4 by 8 rectangle with a 2 by 4 right triangle chopped out of the corner.
A = 4×8 - (1/2)×2×4 = 32 - 4 = 28
Answer: 28
Your answer would be, the third one.
