Answer:
1/5... 1 on top 5 on bottom
Step-by-step explanation:
sub in the values:
will now be 
now add:

simplify:
1/5
Answer:
1.5 seconds
Step-by-step explanation:
plug 0 in for y
0=-16t^2+36
then slove for t
-36=-16t^2
-36 / -16 = 9/4
9/4=t^2
square root of 9/4 is 3/2 or 1.5
t=1.5
Cross multiplying:-
18*x = 12*30
x = 360 / 18
x = 20 answer
Answer:
y = -4/3 x - 1/3
Step-by-step explanation:
y = -4/3 x + b
5 = -4/3 (-4) + b
15 = 16 + 3b
b = -1/3
y = -4/3 x - 1/3