Answer:
other
Step-by-step explanation:
Answer:
25 questions.
Step-by-step explanation:
Correct answer = 18
The percent score of the correct answers is 72%.
Let there are x questions in the test. So,
According to the given condition,

Hence, there were 25 questions in the geometry test.
Answer:
Slope: 4
Step-by-step explanation:
Answer:
Step-by-step explanation:
16x^2 + 9 = 25
16x^2 = 16
x^2 = 1
x = 1, -1
The mean is all of them added together divided by the number, so multiple the mean by the number of sides, 3, and that's the perimeter. 18 x 3 = 54