3/13, 4/13, 5/13 does this add up to a right triangle?

And why or why not?

Which reflection rule, if any, can be used to prove that rectangle A (-8, - 3), B (-2,-3), C (-2,-6), D (-8,-6) and rectangle A' (8.-3), B (2, - 3). C' (2-6), D' (8,6) are congruent?

The price per gallon of gasoline changes often. Most drivers pay close attention to those changes. Find the percent change in price for each of these cases. a) increase from $4.00 per gallon to $4.20 b) increase from $3.00 per gallon to $3.

Which strategy best explains how to solve this problem? Claire bought a cup of coffee and two magazines each Saturday. The coffee cost $2.50 and the magazines cost $3.99 each.

What is the LCM of 2; 14; and 32

In the notebook HW 400 show in groups of 10. How many groups will draw you to make 400?

9 11 13 15 17 ... finding the nth term of a sequence

A pile of sand in the shape of a cone has a diameter of 8 in. and a height of 5 in. What is the volume of the cone? Use 3.14 for π. Enter your answer in the box as a decimal to the nearest cubic inch. in³

Aaron estimated that 148% of 333 is 495. Is his estimate reasonable? A. No, because his calculation should be 140% of 340. B. No, because his calculation should be 150% of 340. C. Yes, because his calculation should be 140% of 330. D.

Write the missing side lengths on each figure shown to the right

A sample of a plane geometric surface is what?