Answer:
r = 6cm
Step-by-step explanation:
Solve for r:


Answer:
a=-6
Step-by-step explanation:
4= 6/a + 5
Subtract 5 from each side
4-5= 6/a + 5 -5
-1 = 6/a
Multiply by a on each side
-1*a = 6/a *a
-a =6
Multiply by -1
a= -6
Answer: Ratio as a fraction in simplest form is :

Step-by-step explanation:
Since we have given that
10.8 seconds : 36 feet
As we know that

So, we use it :
10.8 seconds : 36 feet

Hence, Ratio as a fraction in simplest form is :
