At the city museum, child admission is $6.00 and adult admission is $9.40. On Monday, four times as many adult tickets as child tickets were sold, for a total sales of $1613.20. How many child tickets were sold that day?

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).