(-1,-9) because if we substituted 1 into x y would be 9 and if we substituted 1/2 into x y would be 3 but if we substituted -1 into x y would be 1/9 so therefore that value is incorrect
Let's take a look at the exponent rule:

Her mistake was she multiplied the exponents instead of adding it up.
Answer:
<u>C. definition</u>
<u>Step-by-ste</u>p explanation:
"An acute angle is an angle smaller than a right angle or 90 degrees angle . this is the definition of acute angle
Answer:
3 hours 41 min 32 seconds
Step-by-step explanation: