Answer:
-10x+7.5
Step-by-step explanation:
-2.5(4x-3)
Multiply each term by -2.5
-2.5 * 4x = -10x
-2.5 * 3 = 7.5
-10x + 7.5
Answer: 20%
Step-by-step explanation:
Rule of 3, let's put the money on the left and the percentage on the right of the chart.


Calculate the difference.

Each side should increase by 2x (left & right, and up & down) so that to match the condition :
7+2x)(6+2x) = 45
Solving it will give you: 4x² + 26x - 3
Answer: The first table
Step-by-step explanation:
1:16
2:32
4:64
8:128