Answer: a=42
Step-by-step explanation:
combine like terms which gives you 1.35a, then divide both sides by 1.35 giving you a=42
You just switch the signs:
So the polynomial would be, -5x^2+3x+9
I hope this helps!
Answer:
x=74
Step-by-step explanation:
because those two angles you can assume are equal, and all you have to do is subtract 180 by 32 and divide 148 by 2 to get the other two parts of the triangle.