Find the value of the expression 4a4 − 2b2 + 40 when a = 2 and b = 7.

How many solutions does the nonlinear system of equations graphed below have?

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.

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?