The solution is in the attachment
half means 2
90 divided by 2
90/2
Answer: 45
Answer:
9,4,-1,-6
Step-by-step explanation:
You just need to plug in the x values into the equation and solve.
15 - x = 3x + 3
15 - x = 3•x + 3
4x = 12
x = 3
Sorry, I change the b and a into x's if that's fine with you.
A = 180-90-31
A = 59
Answer: 59
