Numerical expressions, one half the sum of nine and three

What is the domain and range of the function { (0,2), (-2,4), (2,8), (1,6), (-5,0) }

Find the following percentage of 4.2% of 50

A printer is typesetting a book. He needs one piece of type for each digit in the page numbers of the book. Each piece of type can be used only once. For example, page 3 and page 33 will require 3 pieces of type.

What the factor of 60

In a survey, 9/25 of students ride the bus to school and 19/25 walk to school. What fraction of students ride the bus or walk to school

How do you find the slope of a line? (Change in Y / Change in X)

How to write 309,017 in words

The ratio of girls to boys in the assembly was 5 to 3. If 160 students were in the assembly, how many girls were there?

John took all his money from his savings account. He spent $72 on a radio and two thirds of what was left on presents for his friends.

During a spacewalk on February 9, 1995, astronauts Bernard Harris, Jr. and Michael Foale worked in the shadow of shuttle Discovery.