Answer:
y=1/2x-6
Step-by-step explanation:
y-y1=m(x-x1)
y-(-1)=1/2(x-10)
y+1=1/2x-10/2
y=1/2x-5-1
m<PQS = m<SQR
4y - 10 = 2y + 10
2y = 20
y = 10
m<PQR = m<PQS + m<SQR
= 4y - 10 + 2y + 10
= 6y
= 6•10
= 60
0.0027 - zero-point-zero-zero-twenty-seven
2 pencils
3 - 1 = 2
