Four times an angle is equal to half of its supplement. Find the measures of both angles.

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?