Determine whether the pair of lines is parallel perpendicular or neither 26x+2y=4 and -3x+39y=-15

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Which statement best explains why ben uses the width hi to create the arc at j from point k