Answer:
the answer is
or 
Step-by-step explanation:
Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.
Answer:
x = 21
Step-by-step explanation:
Diagonal angles are equal to eachother, so 143 = 6x +17
143 = 6x + 17
Subtract 17 from both sides
126 = 6x
Divide by 6
21 = x
To check put x as 21
143 = 6(21) + 17
Mutiply 6 by 21
143 = 126 + 17
add 17
143 = 143
<span>60/5= 12
Just take 60min. and divide it into 5 sections.
So, 1/5 of an hour is 12 minutes.</span>
25% times 80 = 20. 20 students have green eyes.:) :)