Last angle is 122 if its a triangle
Answer:
85.5
Step-by-step explanation:
Exact Form: 1991/2
Decimal Form: 995.5
Mixed Number Form: 995 1/2
Answer:
x = -1/2 and -2
Step-by-step explanation:
Solve for <em>x</em>: Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
Using the quadratic formula: Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.