A negative exponent means to use the of the base.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.