The play took in $720 one night. The number of $8 adult tickets was 15 less than twice the number of $5 child tickets. How many of each ticket were sold?

What is the value of x in the this question ?

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2