What is (5r) (-2), what is 8b + 8 - 46 - 3, and what is 3b (8) + (-2) (7c)

Answer: a.) - 10r, b.) 8b-41, c.) 24b-14c

Step-by-step explanation:

for (a) multiply 5 and - 2 keep the variable r (b) combine 8-46-3 for (c) multiply 3 and 8 then - 2 and 7 keep the variables.