Circle the problem that uses competition.

7. 32.7+15.6=32.6+15.7 45.7+26.2=45.7+26.3-0.1

8. 14.24-11.8=14.24-12+0.2 168.3-53.8=168.3-53.4-0.4

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

What are the domain and range of the function f(x)=2^x+1

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9