Maria studied the effects of doing homework on her math quiz scores. Which
of these is a control variable?
O
A. Doing homework
O
B. Maria's math quiz scores
C. Both doing homework and Maria's math quiz scores
O D. Neither doing homework nor Maria's math quiz scores
SUBMIT

Option D, Neither doing homework nor Maria's math quiz scores

Step-by-step explanation:

Since there is an effect on the math quiz scores, that means that it is a dependent variable not a control variable.  There is no control variable because both doing homework and the quiz scores are dependent.

 Option D, Neither doing homework nor Maria's math quiz scores

a. 32 degrees

step-by-step explanation:

here we have to use the rule.

m∠e = 1/2 (major arc - minor arc)

m∠e = 1/2 (212 - 148)

m∠e = 1/2 (64)

m∠e = 32 degrees

answer: a. 32 degrees

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