square root of 16 would be 4
4 x 4 = 16
Answer:
90 mph
Step-by-step explanation:
if it can go 45 mph, in 2 hrs, it should go 90
45*2=90
The correct options are


<h3>How to find same value of x?</h3>
given that

first find value of x to obtain the equations have the same value of x.
Find the L.C.M between the 6,3

Then Cross multiplication should be done


Hence the correct options are


Learn more about problems on equations, refer:
https://brainly.in/question/742266
#SPJ9
<span>-31=-6z-4z
Subtract 4z from -6z
-31=-10z
Divide both sides by -10
Final Answer: 3.1 or 3 1/10</span>