Given the ordered pairs, find the value of r that makes the slope equal to the given value. (5, 3) and (6, r), m = -1 A. r=1

C. r=2

B. r=-1

D. r=0

Which graph best represents a system of equations that has no solution?

A.

C.

B.

D.

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?