Line segment ef is shown on a coordinate grid:
the line segment is reflected about the x-axis to form e'f'. which statement describes e'f'?
e'f and ef are equal in legnth
e'f is half the legnth of ef
e'f is greater than twice the legnth of ef
e'f and ef are perpendicular

What is the difference between regular convex and concave polygons

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

For what value of (y) is 3^3/3^y =1/9