2 Which pair of angles is supplementary?
R
P
S
X
RXZ and YXZ
ZPXQ and RXS
YZX and UZT
WZX and XYZ
w
Y
z
T
U

Which of these triangle pairs can be mapped to each other using two reflections?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi, r^3 , where r is the sphere’s radius.