(please no point taking without a reasonable answer) 1 : Subtract. −19−53−31

2: Divide. −36÷(−4)

3: Divide. 8 2/5÷(−2 1/5)

4: Simplify. 0.55−(0.9−0.8)⋅4

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.