Simplify the following expression. 5.3x − 8.14 + 3.6x + 9.8

A.
8.9x + 17.94
B.
8.9x + 1.66
C.
-2.84x + 17.94
D.
-2.84x − 1.66

It takes evan 6 3/4 to mow 3 lawns. it takes 2 1/3 hours to mow me. gals lawn and 1 3/4 hot mow ms. lee’s lawn. how many hours does it take evan to mow the third lawn?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

What is the solution set of the quadratic inequality x^2-5< or equal to 0