At the city museum, child admission is $6.40 and adult admission is $9.80. On Sunday, 146 tickets were sold for a total sales of $1220.00. How many adult tickets were sold that day? Step by step explanation please!

Pls urgent max amount of points will be given and pls do not answer if unsure or you will be reported by me and brainliest answer gets the brainliest .. thing so yeh

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Which is the completely factored from of xy^3-x^3y