Answer:
B
Step-by-step explanation:
let the angles be 3k,10k,2k
then 3k+10k+2k=180
15k=180
k=180/15=12
x=10k=10×12=120°
Answer:
Let the price of the maths book be m and price of the novel book be n
Given that,
Total cost of the books is $54
The price of math book is $8 more than 3 times the price of novel book.
we get,
The system of equation as,

Hence the system of equation to determine the price of the maths and novel book is,
The Answer is 2.21 Meters Of Wood, Because 2.25+3.12= 5.37 He needs 7.58 Meters In All, so Subtract.
7.58-5.37=2.21 Meters. that is the amount of wood he still needs. Hopefully its not to difficult for you.
Answer:
it's b
Step-by-step explanation:
because it's the right answer