Answer:
B
Step-by-step explanation:
distribute
5x+15-9x+4
combine like terms
-4x+19
The percent error is 29%. I posted the equation for percent error on your other question.
Answer:
14, 28, 42, 56, and 70 are the first 5 common multiples of 14
20, 40, 60, 80, and 100 are the first 4 common multiples of 20
Substitute -3 into the equation
y = 2|x| + 3
y = 2 (3) + 3
y = 6 + 3
y = 9
Answer D