Combining Like Terms: Simplify the following expressions by combining like terms.
1.-2p - 4p + 8 + C
2. 7b - 5c + 8b + 6a +40

1. -6p+8+c

2. 15b+6a+40-5c

Step-by-step explanation:

Made the subtraction addition by making plus negative

ex -2p-4p

     -2p+-4p

this makes it easier to move around the terms to combine  

answer: i think it is (1,-2)

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3