Answer:
64 and 34
Step-by-step explanation:
Given
a + b = 8 ( square both sides )
(a + b)² = 8² = 64
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(a + b)² = 64 ← expand left side
a² + b² + 2ab = 64 ← substitute ab = 15
a² + b² + 2(15) = 64
a² + b² + 30 = 64 ( subtract 30 from both sides )
a² + b² = 34
Answer: y = -6/5x - 2
Step-by-step explanation:
Slope = Change in y/Change in x
Our y intercept is -2 because of our point (0,-2)
Answer:
4.50
Step-by-step explanation:
2.25 times (100/(sale percentage)), so 2.25 x 2
The answer here is 6.25.
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