Answer:
11
Step-by-step explanation:
(-3)²-3(-3)-7
9+9-7
11
Answer:
x = -12
y = 3
Step-by-step explanation:


Percentages are used to show the fraction of a thing. For example, if 5 students out of 20 like math, the percentage is 5/20 x 100= 25%
<h3>What is a Percentage?</h3>
This refers to the number of ratios that is described as a fraction of 100 and is denoted by the sign %.
Hence, we can see that although your question is incomplete, I gave you a general overview of percentages for a better understanding of the concept.
Read more about percentages here:
brainly.com/question/16865197
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Answer:
729
Step-by-step explanation:
9³ you just type that in the calculator
Y=7x-10
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