Answer: -7, -10, -13, -15
Step-by-step explanation: It’d changing by a constant difference of -3.
When put into a word phrase 3x+10 is three of x plus ten, three x plus ten etc.
The answer should be −52a^3 b^5
8.5 • 5 = 42.5
2.5 • 5 = 12.5
42.5 - 12.5 = 30
The first electrician worked 30 hours longer than the second electrician.