D. Inequality
An expression would just contain simple arithmetic without any symbols relating two things to another.
An equation must contain an equals sign.
A fraction will have a bar representing division.
An inequality contains a sign representing a comparison of magnitude, in this question less than <.
Hope this helps!!
Answer:in first part of equation add 10x and 3x (like terms)
13x-4.5=12x-1.1
move all terms containing x to left side of equation
13x-4.5-12x= -1.1
x-4.5= -1.1
Subtract 4.5 from both sides
x=3.4
Step-by-step explanation:
Answer:
w(2w+5) = 50
Step-by-step explanation:
length x width = 50
length = 2w+5
Answer:
1. 100
2. 27 
3. 30
Step-by-step explanation:
Area = 
= x 
= 100
Volume = l x w x h
= 3 x 3 x 3
= 27
Answer:
Volume is 1,692.46
Step-by-step explanation:
pi(r^2)(h), 3.14(49)(11)
