These statistics are impossible: all students who ride bike and use crossing guard ride a bike, so the proportion of students who ride a bike and use the crossing guard must be less than or equal to the proportion of students who ride a bike. This is not true in the given stats; 0.12 > 0.1
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Answer:</h2>
[C] 90°.
<u>It is Because ∠ACB is formed by the diameter of the semicircle</u>.
<u>And we already know that, the angle formed by diameter measure 90° to the circle or semicircle</u>.
Take C and convert it to slope-intercept form
20x + 5y = 50
5y = -20x + 50
y = -4x + 10
That s the one
C
You multiply 523x12 by writing it out. 523x12 is equal too 6,276
B. 80 x 3 if it is three times you would put 80 in three times or just multiply it by 3