How do you do this:

write an equivalent expression for 1/y^-1/4 using positive exponents.

can someone me?

Identify the parent function that can be used to graph the function f(x)= (1/4x)^3

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?