Answer:
x<=2 is a
y<=x+1 is d
Step-by-step explanation:
Algebraic fractions are the same as normal fractions, but they have algebraic expressions as the numerator/denominator.
For example,

is a normal fraction, but

is an algebraic fraction.
Answer:
The modes are 9 and 11
Step-by-step explanation:
The fraction form of this is 40/3, decimal form is 13.3 infinite.
Use whichever form your teacher wants you to use. (Refer to the image for the steps)