There is a total of 10 marbles, of which 5 marbles are red.

Therefore the second choice is the correct answer.
Answer:
BiG ChUnGuS moo
Step-by-step explanation:
Answer:
t=−3 or t=−12
Step-by-step explanation:
Step 1: Subtract -36 from both sides.
t2+15t−(−36)=−36−(−36)
t2+15t+36=0
Step 2: Factor left side of equation.
(t+3)(t+12)=0
Step 3: Set factors equal to 0.
t+3=0 or t+12=0
t=−3 or t=−12
Answer:
0.00175
Step-by-step explanation: