-10x + 20 should be the right answer.
Answer:
Beaker: $3, Goggles: $7
Step-by-step explanation:
Maybe 7.4 pounds idk sorry if I’m wrong
For the first problem, the answer is D, because every year, the graph goes down by about $4,500.
For problem two,
a. It's located in quadrant one because x and y are both positive (I've attached a graph with labeled quadrants for reference)
I'm unsure about b and c but I hope I helped with the others!
Answer: -2 - (-7)
Step-by-step explanation: They both have the same outcome, 5. Which one is negative and one is positive. The last option is correct.