man is 37 years old and his child's age is 8. How many years ago was the product of their ages 96?
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Answer:
2
Step-by-step explanation:
Substitute a = - 6 into the expression, that is
a² + 7a + 8
= (- 6)² + 7(- 6) + 8 = 36 - 42 + 8 = - 6 + 8 = 2
The answer is 90, Because angle D is a 90 degree angle, and 180- 90=90, so the answer is 90.