Half of a number plus twelve is 46. what is the number?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

How do i i solve this equation? -18 = x/3 + 3

Determine whether the question is a statistical question. explain. 1. what is the eye of sixth grade students? 2. at what temperature (in degree fahrenheit) does water freeze? 3. how many pages are in the favorite books of students your age? 4. how many hours do sixth grade students use the internet each week? you!