Find the missing digit to make 25,46_ divisible by 9

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

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Which of the following expressions is equal to 2x^2+8