Can you show the problem ?
Answer: (1,4)
Step-by-step explanation:
Given
Equation of line is 
(-1,1) is the solution of the equation
Take x=1 and substitute it in the above equation

So, another pair of the solution is (1,4)
Answer:
150
Step-by-step explanation:
Rolling a 2, 3, or 4 should happen approx 60% of the time
250 x 60%= 150
Answer:
10x + 15
Step-by-step explanation:
x - 1 = 1 (2).
x + 4 x 10x + 15 / 2.445
x + 4 (2) / 2.445 = x1 - 4
10x + 15