Answer:
$150
Step-by-step explanation:
Mary+4 friends=5 people
5 people x $30 each person = 150 in total
addition prop of equality
youre welcome
T23=a+22d
d=T2-T1
d=8-10=-2
a(first term)=10
T23=10+22×-2
=10+(-44)
=10-44
=-34
therefore:T23=-34
1) x²=256-64
x=8√3
2). x²=200+81
x=√281
3). x²=169+36
x=√205
3).