5. A solid dot means the number is included in the answer. The line is blue from -3 up, so the answer would be B. X≥-3
6. The equation has a less than sign, so the shaded portion would be to the right of the line. This makes graph B the correct one.
7. There are 4 tens and 4 kings in a deck.
3 tens and 2 kings is a total of 5 cards.
The probability = C(4,3)*C(4,2)/C(52,5) = 24/2,598,960 which simplifies to
D. 1/108,290