Which line is the graph of y = 1/2 x + 1?

line a
line b
line c
line d

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain