Savannah was paid $87 for 12 hours of babysitting and $65.25 for 9 hours. what is the constant of proportionality that describes this relationship? a) 0.14 b) 7.25 c) 12.5 d) 65

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

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

Ineed with math stuff it involves graphs