You buy a surround sound system and speakers for your living room for $795. Each year, the value of the system decreases by 4%. 1a. Write an exponential model for this situation.

1b. Determine the value of the system after 3 years​

Evaluate the expression. (9 + 5)(3 + 2)0

Graph the linear function using the slooe and y intercept

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.