If the slopes of two lines are negative reciprocals, the lines are perpendicular. true or false

Find the GCF for 40 and 48

If You Have 1 Kilogram, Then How Much Is It In Ounces?

Which of the following is the same as 2.3 x 10^3? a).23 b) 230 c).023 d) 2,300

What is the interest rate? A=500 (1.0325) ^12

What is the gcf of 26 and 32

How do you write the number 50,679 in word form and expanded form

How can I solve this equation 5x^2-2x-6=-2x^2+9x

Several paint mixtures are made by mixing blue paint and white paint. Mixture A- Blue Paint - 5 cups White Paint - 12 cups Mixture B- Blue Paint - 6 cups White Paint - 6 cups Mixture C- Blue Paint - 4 cups White Paint - 12 cups Mixture D- Blue Paint

The area of a rectangle is 38.25 square yards and its base is 9 yards. What is the height?

3. After hiking to the top of a mountain, Raul starts to descend at the rate of 350 feet per hour. What real number represents his vertical change after 1 1/2 hours?