The equation h=kp describes h, the height of a stack of p pennies. a stack of 15 pennies is 24 millimeters tall. what is the value of k, the constant of variation?

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Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line