From these regression results: coefficients standard error t stat intercept 5.6 2.0 2.8 adv 4.9 0.6 9.0 price – 0.5 0.1 – 5.9 su
1 answer:
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Answer:
5. 9 8.
Step-by-step explanation:
a²+b²=c²
so for #5 12²+b²=15²
144+b²=225 (subtract 144 from both sides)
b²=81
b=9
For #8
9²+b²=11²
81+b²=121 (subtract 81 from both sides)
b²=40
b=
=