Answer:

Option D is the correct option.
Step-by-step explanation:

When there is a ( + ) in front of an expression in parentheses , there is no need to change the sign.
That means, the expression remains the same.
Just remove the unnecessary parentheses
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Collect like terms and simplify
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Hope I helped!
Best regards!!
The answer would be 8.7639
B would be correct cause 5 percent would be .66
Answer:
712
Step-by-step explanation:
400+6.5%of 4800
312+400=712
Answer:
<em>x = y = 64° , z = 20°</em>
Step-by-step explanation:
<em>x = y</em> =
<em>= 64 </em>°
m∠ADC = 52° + x
m∠ADC = 52° + 64° = 116°
<em>z</em> = 180° - 116° - 44° <em>= 20</em> °