Gregor built the picture frame shown to the right. it has a perimeter of 50 2/4 inches. how wide is the picture frame?

if you can me with number 14 and 15

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?