Verify that parallelogram ABCD with vertices A (-5,-1), B (-9,6), C (-1,5) and D (3,-2) is a rhombus by showing that it is a parallelogram with perpendicular diagonals.

Evaluate the function f (x) = x+4 when x=3.

Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 192 miles in the same time that Dana travels 183 miles.

37 thousandths in decimal form

What contains the same variables to the same powers

The doctor orders 1 gram of an oral antibiotic to be given prior to a procedure. the office carries 250mg tablets. how many would you administer?

A national park has a population of 400 koalas. If the koala population is expected to increase by 3% p. a., the expected number of koalas in the National Park in 4 years, time will be: A) 448 B) 450 C) 480 D) 500

Jane is x years old today. her brother kenny is 4 years older. after 7 years, their combined age will be 24 years. write a linear equation for their total combined age after 7 years.

4 times 60 times times 5

Sammie can type 2 pages in 45 minutes. At this rate how long would it take her to type 5

One book costs £1.95 how much do six books cost?