Answer:

Step-by-step explanation:

15/7 x 5 and 2/5 x 7
75/35 - 14/35 = 61/35
Answer:
Step-by-step explanation:
The set of points in the 2nd row does not represent a function, because the x-coordinate 2 is associated with more than one y-coordinate.
Functions are one-to-one: For each x value there is one y value associated.
Answer:
total space of an object is area.
it is used in for calculating area of rooms as measurements.
The answer would be sometimes depending on the problem and what it is doing