Answer:
u as the subject of the given formula is, 
Step-by-step explanation:
Given;
v² = u²+2as
To make u the subject of the formula, the following steps are taken;
v² = u²+2as
v² - 2as = u²
take the square - root of both sides of the equation;

Thus, u as the subject of the given formula is, 
Answer:
X≥4
Step-by-step explanation:
Answer:
5?
Step-by-step explanation:
Hi your answer would be 6 1/2 vials of pixie dust!