B, because when you add 90+80 you get 170 and 170/2 = 85
Answer:
The steps to doing this are as follows:
1. Identify the unknown and represent it with a variable.
2. Set up an equation or inequality using that variable.
3. Solve the equation or inequality to find an answer to the problem.
Answer:
shortest side= x
longest side= x+8
other side= 3x
x+x+8+3x= 33
5x+8=33
5x= 25
x= 5
shortest side= x= 5
longest side= x+8= 5+8= 13
other side= 3x= 3(5)=15
Step-by-step explanation:
Answer:
a = -1
Step-by-step explanation:
-6(3a+4) = 3a-3
-18a-24 = 3a-3
-24+3 = 3a+18a
21a = -21
a = -21 ÷ 21
a = -1
Answer:
3 lbs
Step-by-step explanation:
