Given:
At a college, the tuition increased by 10%. Let b be the former cost of tuition.
Use the expression 
for the new cost of tuition.
To find:
The equivalent expression by combining like terms.
Solution:
We have,
On combining the like terms, we get
Therefore, the required equivalent expression is 1.10b.
Answer:
E
Step-by-step explanation:
\sqrt 6 is an irrational number, as it cannot be written as the ratio of 2 numbers.
It is also a real number, as it does not include the square root of a negative number.
Therefore, E is the correct option.
Answer:
Step-by-step explanation:
Out of a total of 1, 
went to the fair and 
OF THOSE, bought atleast one book.
To find the fraction of students who bought at least one book, we will multiply both the fractions. That is the answer. Shown below:
Answer is
Answer:
This can be solved using a calculator
239323
Your surface area is: S=x^2+4xh=84 square inches and h=2 inches; so you get:
x^2+(4×2)x=84
x^2+8x-84=0 qhich is a quadratic equation. Using the quadratic formula you get two results for x:
x1=-14 and x2=6
choose the second (positive)
