70=.70(-2-2z)
70=-1.4-1.4z
68.6=1.4z
Z=49
Answer:
Step-by-step explanation:
(14 - 8)/(7 - 4)= 6/3= 2
y - 8 = 2(x - 14)
y - 8 = 2x - 28
y = 2x - 20
I'm assuming you meant 5:4 and 27 students.
5 parts girls to every 4 parts boys. To work this out you first need to find one part;
5+4=9
27÷9=3
1 part = 3 people
5 parts are girls, so;
3x5 = 15
there are 15 girls
Answer:
8
Step-by-step explanation:
a^2+b^2=c^2
$288.75 I believe! Sorry if my answer is incorrect!