Answer: peter got 11 right and 4 wrong
Step-by-step explanation: So when he answers 11 answers correctly he gains 33 points so he loses 4 points from the remaining 4 wrong answers.
Answer:

Step-by-step explanation:














Answer: -3 and 3
Step-by-step explanation: You first find the area of OBA which is 6, then you plot points that make a triangle that is congurent to 6. I fond that since there was a length of 4 in both, I simply went up three on the y-axis and down three on the y-axis. Sorry for the bad explanation but this is all I knew.
This is pretty simple once you think about it, you are probably just making it harder than it needs to be :) So, all you really have to do is plug in the numbers and see which statement is true. So, for the first one, you should work it out with me in the comments. Sorry lol I don't really like giving straight answers. lol