Use a proportion to solve the problem.A quarterback completed 6 passes in every 7 attempts. If he attempted 
how many passes did he complete? (Round to the nearest whole number if necessary.)
A. 25 passes
B. 18 passes
C. 3 passes
D. 7 passes
Answer: B
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As part of a statistics project, a 6th grade teacher brings to class a container with 200 red marbles and 800 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 150 marbles from the container. Of the 150 marbles drawn, 33 are red.The target population consists of
A. the 200 red marbles in the container. B. the 1000 marbles in the container. C. the 33 marbles drawn by the student. D. the 150 marbles drawn by the student. E. none of these
Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. If triangle ABC and triangle DEF are both 30–60 triangles, then AB must be congruent to DE. 2. An angle of degree measure 180 is a reflex angle. 3. Postulates are statements we assume to be true without proof. 4. Any three points are contained in exactly one plane. 5. A right triangle has two acute angles.
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Multiply.(0.1x - 0.1)2
A. 0.01x2 + 0.01 B. 0.01x2 + 0.02x + 0.01 C. 0.01x2 - 0.02x + 0.01 D. 0.01x2 + 0.02x - 0.01