Movie tickets at a local theater cost $6 for adults and $3 for children under twelve. if 175 tickets were sold, with cash receipts of $750, how many children's tickets were sold?

Give me the equations of two lines that have the same slope but are not parallel.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !