Answer:
Sarah is 4 ft tall.
Step-by-step explanation:
231÷84= 2.75
11 ft ÷ 2.75 = <u>4 ft</u>
Answer:
do you no English
Step-by-step explanation:
Step-by-step explanation:
4 + x = -9
x = -9 +4
x = - 5
-x = -5
x = 5
Answer:
4x² + 12x + 9
Step-by-step explanation:
<h3>
Using identity: </h3>
(a +b)² = a² + 2ab + b²
Here, a = 2x & b = 3
(2x +3 )² = (2x)² + 2*2x*3 + 3²
= (2x*2x) + 12x + 3*3
= 4x² + 12x + 9