Answer: x=-6
Step-by-step explanation:
x+55+x+51+86=180
2x+106+86=180
2x+192=180
2x=-12
x=-6
Answer:
16
second-period class average:
55+70+450+480+170+270+95 = 1590
1590/20 = 79.5
sixth-period class average:
65+225+480+595+270+190 = 1825
1825/20 = 91.25
on average, students in the sixth period class scored higher
p^1
q^4
r^2
Is this what your asking for and also can you please mark me as brainlist. Thank you
