Abcdefghij is a regular decagon. find the length of the apothem. round the answer to the nearest tenth.
a.
8.0
b.
20.5
c.
24.7
d.
26.0

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

[tex]5 \times1 \frac{12}{13} [/tex] me