Jane will roll a number cube 30 times. how may times would jane expect to roll a number larger that 4?

5

Step-by-step explanation:

= P(roll 4) = 1/6

= Expected # of 4 in 30 rolls = (1/6)*30 = 5

Therefor, the answer is 5

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the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8