Answer:
+4
Step-by-step explanation:
-5 - (-9)
-5 + 9
4
Answer:
Make tables of equivalent ratios relating quantities with whole-number measurements, find missing values in the tables, and plot the pairs of values on the coordinate plane.
Step-by-step explanation:
2(5y - 2) = 12 + 6y
7y - 4 = 12 + 6y ⇒ wrong, it has to be: 10y - 4 = 12 + 6y
so the correct answer is B
10% is 7 dollars so 20% is 14 and have of 7 is 3.5 so it's 17.50