Answer:
10%
Step-by-step explanation:The difference of the two numbers is 420-378=42
42/420=0.1=10%.So the sofa's price decrease 10%
Do the formula length times width times height.
Then, round like you normally would!
And for the second one, just multiply 2.5 x 6!
Tan(35)=ck/cd
0.7= ck/3
ck=2.1
Tan(65)=cj/cd
2.1=cj/3
cj=6.3
jk=6.3-2.1=4.2
Answer:
Simple random should be the technique used
