Which is a prime number?

a. 151

b. 161

c. 171

d. 141

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?