10.) DC
community property
11.) 13+x
community property
12.) 8x-12
distributive property
13.) (2+a)+b
14.) 4(2x+1)= 4+8x
For question 14 you can do 4×2=8x. Then do 4×1=4. It is equal. Just do distributive property for number 14 for 4(2x+1)
Dispenser C is your answer
16/25 x 4/4 = 64/100
64/100 = 0.64, or 64%
Your answer is Dispenser C
hope this helps
The answer is 7 i did it on a calculator lol
Multiply 3 to the first bracket then multiply 2 to the second bracket. 3(a+2b) + 2(3a+b) = 3a+6b+6a+2b= 9a+8b