Answer: 6.25 is her profit
Step-by-step explanation: cost-price= protect
2.25 - 8.50=6.25
Answer: " y = (9/7)x − 4 " .
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Answer:
a)4
Step-by-step explanation:
(a+b)²=43 eqn 1
(a²+b²)=35 eqn 2
solving eqn 2 by putting the value of (a+b)² by eqn 1
- (a+b)²-2ab=35
- 43-2ab=35
- -2ab=35-43
- ab= -8/-2
- ab =4
hope it helps
<h2>stay safe healthy and happy.</h2>