When 27x^2z/-3x^2z^6 is completely simplified , the exponent on the variable z is

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

If g^-1(x) is the inverse of g (x) which statement must be true