Determine whether or not the triangle with the given side lengths is a right triangle. 51 feet, 14 feet, 49 feet

Don't forget to explain your reasonings

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

What expression is equivalent to (2x-1)(x-3)?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section