Add the expression (algebra)
1. (2x + 5) + (x + 4)
2. (3y - 5) + (2y + 4)
3. (4a + 12) + (-6a - 13)

Subtract the expression
4. (3x + 3) - (4x + 6)
5. (8y - 7) - (y - 4)
6. (3b + ) - (2b + 7)

Factor each expression
7. 16y - 8
9. -12c - 8

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's