Need answer !

emma is given the figure shown and asked to find the measurement of a. which ratio could she use?

a) sin a=24/7

b) tan a=7/24

c) cos a=7/25

d) sin a=24/25

Danny draws a transversal, t, on two parallel lines ab and cd, as shown below: he makes the following table to prove that the alternate interior angles are equal: which is the missing justification? (6 points) corresponding angles formed by a transversal on parallel lines are supplementary. corresponding angles formed by a transversal on parallel lines are congruent. co-interior angles formed by a transversal on parallel lines are congruent. co-exterior angles formed by a transversal on parallel lines are congruent.

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?