Answer:
y= 1/4 (x -8)
Step-by-step explanation:
x -4y= 20
-4y= -x + 20
y= 1/4 × -5
y - y1 = m (x - x1)
y - 0 = 1/4 (x -8)
y= 1/4 (x -8)
I think the simplify expression is 2^2 x 7 = 28. Sorry if it is wrong
There would be 23 students in the class
Answer:

Step-by-step explanation:

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<em>divi</em><em>ding</em><em> </em><em>th</em><em>rough</em><em> </em><em>by</em><em> </em><em>3</em>
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Answer:
Step-by-step explanation:
p=10(q-3r)/r
Cross multiply
pr = 10(q-3r)
pr = 10q - 30r
Pr + 30r = 10q
r(p + 30) = 10q
r = 10q/(p + 30)