1.1 Launy artictrilayt A student got 16 out of 21 questions correct on a quiz.
Use mental estimation to answer these questions.
1) Did the student answer less than or more than 80%
of the questions correctly?
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2) Did the student answer less than or more than 75%
of the questions correctly?
More
Less

Solve the system of equations. y= 2x y= x^2 - 15

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.