What is the common point between lines y = -x + 7 and y = 3x + 10?

Which of the following is the true for f(x) = 5cos

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?

|p| > 3 {-3, 3} {p|-3 < p < 3} {p|p < -3 or p > 3}