Here is an example:
Josh bought 7 apples for $21.
21/7 is 3, so one apple costs $3. This is the unit rate.
21/7 simplifies to 3/1, that’s another way to think about it. Simplify the fraction until the denominator is 1.
Hope this helps! Tell me if you have any questions!
The table contains Sandra's Lap times (in minutes). If you want to know the total duration in minutes for the recorded lap times, you have to add all these 12 times:

Answer: correct choice is C
That's of course the 30/60/90 right triangle.
If you need to see the algebra, the acute angles in a right triangle are complementary, adding to 90 degrees:
x + 2x = 90
3x = 90
x = 30
Answer: y = 2x - 6
Step-by-step explanation:
Let us turn the second given equation into slope-intercept form to match the first equation.
8x - 4y = 12
8x - 12 = 4y
4y = 8x - 12
y = 2x - 3
Now, parallel lines have the same slope. This is the <em>m</em> value.
y = <u>2</u>x - 3
\/
y = <u>m</u>x - 6
y = 2x - 6
<em> Read more about </em><em>your question</em><em> here which includes </em><em>parallel slopes</em><em>:</em>
<em> brainly.com/question/2406233</em>