The answers I can pick are A:1/5
B:5
C:10
D:2
I really need the right answer cause this is for a test and if you answer can you pls give me an explanation thank you :)

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

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

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?