Which expression is equivalent 30 points

Answer:
30b
Step-by-step explanation:
what you do is times 6 and 5 then add b
~Hello There!~
There is a rule you must know to do this question:
A negative number multiplied by a negative number, makes a positive number.
Therefore:
- 6 * - 5b = 30b
Hope This Helps You!
Good Luck :)
Have A Great Day ^-^
- Hannah ❤