Answer:


Step-by-step explanation:











Answer:
10 times
Step-by-step explanation:
the 6 in 65 equals 60
To find his age 4 years ago, you need to subtract 4 from his current age.
His current age is Y, so his age 4 years ago is: y - 4
Answer:
A
Step-by-step explanation:
A is a parabola
Answer:
The value of x is 66.
Step-by-step explanation:
The median of a data set is the term that separates the lower half of the set from the upper half.
In a set with even cardinality, the median is given by the mean of it's two middle terms.
In this question:
Cardinality: 8
Middle terms: 4th and 5th, which are x - 5 and x + 1.
The median is 64.
This means that:





The value of x is 66.