Students were randomly assigned to two groups. One group listened to music while taking a math test and one group did not. The one that did not listen to music scored significantly higher on the math test than the other. A. Students should listen to music during math tests. B. Not listening to music during a math test results in higher math test scores. C. Listening to music during a math test results in higher math test scores. D. Cause-and-effect relationships cannot be drawn.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

where are the graphs?

step-by-step explanation:

current in the circuit at time t is /, then the power delivered to the resistor is

step-by-step explanation: