exam Maths Puzzle Numerical Ability

Write the equation listed below in quadratic form and then solve it by factoring

9x(x-19)= -810

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exam Other Question

Calculate the probability of drawing four cards out of a standard deck.

P(4 of a kind)
P(All the same suit)
P(All the same #)

Thanks So much! can someone please help me graph the compound inequality:

x>=0
y>=0
x=y<=7
x<=3