The correct answer is B) 9
Explanation;
2x=256
2x=2 exponent 8
x=8
4x-1=64
x-1=4³
x-1=3
x=3+1
x=4
8x-2=16
x-2=8²
x-2=2
x=2+2
x=4
3x-2=81
x-2=3⁴
x-2=4
x=4+2
x=6
3²x=9 exponent 5x-4
2x=5x-4
4=5x-2x
4=3x(<em>divide</em><em> </em><em>bo</em><em>th</em><em> </em><em>sides</em><em> </em><em>by</em><em> </em><em>3</em><em>)</em>
<em>x</em><em>=</em><em>4</em><em>/</em><em>3</em>
Breath.
The faster you run its harder to catch your breath.
There are 24 students in the class in which 75% of the students are boys (18 boys)
<h3>What is an
equation?</h3>
An equation is an expression used to show the relationship between two or more numbers and variables.
Let x represent the total amount of students in the class.
75% of the students are boys.There are 18 boys in the class, hence:
0.75x = 18
x = 24
There are 24 students in the class in which 75% of the students are boys (18 boys)
Find out more on equation at: brainly.com/question/2972832