What is the area of the grey matting in this 16” by 20” picture frame if the picture to be framed is 8” x 10”?

picture frame.

select one:
a. 320 sq. in.
b. 80 sq. in. incorrect
c. 240 sq. in.
d. 480 sq. in.

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

How do i find the missing angle measure in a polygon