Marcus made a mistake in Step 2. 5/2.5 is 2 not 3.
-11 -(-42) A double negative makes a positive
-11 + 42
31
Answer:
x= square root of 130
Step-by-step explanation:
a^2+b^2=c^2
a=7 b=9 c=x
49+81=x^2
130=x^2
square root of 130=x
X=Juliana's age
r=Rich's age
(x+2)+(x*3)+5=R
You can solve it from there
Answer:
230.56%
Step-by-step explanation:
maybe