Answer:
Step-by-step explanation:
He has 42.80
Call x the amount that he will have
If he pays 12 to Rita, x = 42.80 - 12
If he receives 12 from Rita, x = 42.80 + 12
From the first equality
x - 42.8 = -12
From the second equality
x - 42.8 = +12
Then |x - 42.80| = 12
Answer:
⦣ACD = 90º
Step-by-step explanation:
⦣ACD + ⦣BCD = 180º
⦣BCD = 90º
⦣ACD + 90º = 180º subtract 90º from both sides
⦣ACD = 90º
Step-by-step explanation:
7=2 8=12 10=10 11=9
Answer:
<h2>Let's call
the number of dollars Paul owers.</h2>
Notice that the word "minus" refers to a difference.
So, basically, we just need to subtract 18 from the variable as follows
Therefore, the expression which represents the number of dollars Paul owes minus 18 is
