The line y=3x creates an acute angle theta when it crosses the x-axis, Find the exact value of sec theta

What aspects of lines have to be diffrent

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90