In circle o, mPQ = 20°, m KL = 110°, and ZT - ZS. What is the mNR
A. 30 degrees
B. 40 degrees
C. 45 degrees
D. 50 degrees

The product of two negative rational numbers is always zero sometimes zero never zero

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)