Answer:

Step-by-step explanation:

<h3>
7×13=11U </h3><h3>
making U subject of formula you have </h3><h3>
91= 11U </h3><h2>
therefore U = 91/11= 8.97 </h2>
if the cube's side equals 2 then it would be 2 x 2 x 2 = 8 or you could say 2 to the 3rd power or 2 cubed
Answer:
x-3
Step-by-step explanation:
x²-9÷x+3=x-3
Answer:
Thus, the rational number 93/77 should be added to -7/11 so as to get 4/7.