.................................
Answer:
<h2>20</h2>
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>tips and formulas:</h3>
- a straight line contains 180°
<h3>let's solve:</h3>
according to the question
7x+x+20=180
=>8x+20=180
=>8x=160
therefore
x=20
Point slope form: y-3=-3/5(x+2)
Slope intercept form: y=-3/5x+9/5
Answer:
-4.5
Step-by-step explanation:
Answer:
8/15
Step-by-step explanation:
because there are 8 red marbles out of 15 marbles
