Answer:
(graph attached)
Step-by-step explanation:
rise over run! 2/1 (up two over one to the right) and you know the slope is postive and its y intercept is 2 from the equation.
Answer:
33% Decimal form: .333333 repeating.
Step-by-step explanation:
Took test. I see the question you was trying to do.
Step-by-step explanation:
let the total students be x then
25/100x=9
x=9×100/25
x=9×4
x=36
so total students are 36
Answer:
set mary is x years old, and helen is y years old.
first sentence:x=2y
second one:4(y-8)=x+4
bring x=2y in 4(y-8)=x+4
=>4y-32=2y+4
=>2y=36
=>y=18
=>x=36
mary:36
helen:18
Answer:
0.328 
Step-by-step explanation:
820mm = 82cm = 0.82m
400mm = 40cm = 0.40m
0.82 x 0.40 = 0.328