15. Ariangle has vertices Q(-5,-), P-51). R(3.-6), and S(3, 1). Which of
the following figures is the image after a
dilatian?
A. QI-5,6), PT 5.--1), R13,6).
B. QC -6), 1/3, 1), 1-3, -6).
51-31)
C Q1-10.-12). PY-10. 2). RT6-12),
D. QT-6 -5). Pl. -5), 7-6,3),
$11.3)

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.

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two