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What is the solution set for this linear-quadratic system of equations?
y= x2 - x-12
y-x-3 = 0

A. {(-3,0), (0,3)}
B. {(-3,0), (4, 0);
C. {(-3,0), (5,8)}
D. {(4,0), (0,3)}

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?