Answer:
C
Step-by-step explanation:
When we write an equation, we look for something like is or equals
A.twice as much as a number 2x
B.12 less than a number x-12
C.half of a number is 15 1/2x =15
D.the difference of 20 and a number? 20-x
A,B, and D are expressions
12 less than a number
I think it's x= 2.67cm
y=6cm
10^6*10000=10,000,000,000
Answer:039
