If two lines intersect and one of the angles formed has a measure of 67°, which of the following statements are true? explain your answers.* more than one answer can be correct.
1. vertical angles are congruent; therefore another angle must equal 67°.

the lines form linear pairs.

the lines form complementary angles.

one of the angles formed measures 23°

two of the angles formed measure 113°

two of the angles formed will have a sum of 180°

none of the above.

What are the sotions to the quadratic equation 9x^2=4

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.