The answer is 68 because is repeating 3 times
<span>It's easy enough. Solving looks like that: p(roll of 8)+p(roll of 12) =</span>

Hope everything is clear.
Answer:
176
Step-by-step explanation:
just simplify the given mathematical statement
Answer: 7 and half weeks
Step-by-step explanation:
The solution is in the attachment
Answer:
у = x² + 7x - 30
Step-by-step explanation:
x₁ = 3 and x₂ = -10
Use the formula (x - x₁)(x - x₂) = 0
(x - 3)(x - (-10)) = 0
(x - 3)(x + 10) = 0
x² + 10x - 3x - 30 = 0
x² + 7x - 30 = 0