Can someone tell me the answer plz I’ll give brainlist and points

What is the standard form of -5x^2+2x^4-11+x^3+3x

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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