Kristi is selling candy bars to raise money for her track team. Each of her neighbors bought 4 candy bars. she also sold 18 candy bars to her friends at school for a total of 38 candy. The equation 4x + 18 = 38 represents this situation where x is the numbers of neighbors. How many neighbors bought candy bars from Kristi?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Afair survey question is one that does not encourage biased responses. which survey question is fair? a.) do you agree that only unethical people take credit for other people’s work? b.) have you ever taken credit for somebody else’s work? c.) have you ever engaged in unethical behavior, such as taking credit for somebody else’s work? d.) don’t you think it is unethical to take credit for somebody else’s work?

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?