"The domain is the set of all first elements of ordered pairs (x-coordinates).The range is the set of all second elements of ordered pairs (y-coordinates).Only the elements "used" by the relation or function constitute the range.
Answer:
m= 15
Step-by-step explanation:

To solve for m, start by moving the constants (numbers that are not attached to any variable) to the other side of the equation.

Simplify:

Multiply both sides by 9:

Crossing out 3 from the denominator and from 9:
m= 5(3)
m= 15
<span>6.8 x 10^-2
The scientific notation of 70, 030, 000. To find the scientific notation of this value </span><span><span>
1. </span>We first move the period which separates the whole number from the decimal number which is located after the numbers of the given value.</span>
<span><span>2. </span>We move it in the very recent order number which is seventy million, seven and zero.</span> <span><span>
3. </span>It becomes 7.003</span>
<span><span>4. </span>Thus we count how many moves we did from the tens to the ten million order place.</span> <span><span>
5. </span>7.003 x 10^7<span>
</span></span>
Each book costs $15. 90 divided by 6 is 15 which is also 90 over 6.