Asection of wall is being framed. a model of the framing
work is shown below.
which best describes the relationship between the
125° angle and angle a?
they are same side interior angles. angle a
measures 55
they are alternate interior angles. angle a
measures 125
they are vertical angles. angle a measures 125
they are corresponding angles. angle a measures
55°

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Are the corresponding angles congruent? explain why or why not.