Inverse
Inverse - is a conditional statement that NEGATES both the hypothesis and the conclusion of the original conditional statement.
Answer:
true
Step-by-step explanation:
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The answer would be -9.72
For this case, the first thing we are going to do is assume that all the tests are worth the same.
Then, we define a variable:
x: score of Mona's last test
We write now the inequality that models the problem:

From here, we clear the value of x:
Answer:
the lowest grade that Mona can get for her last test so that her test average is 90 or more is:
x = 87