X+y+z=22
(x+y+z+t)/4=8
subsitute
x+y+z=22
(22+t)/4=8
multiplly by 4
22+t=32
subtract 22
t=10
the fourth number is 10
Consider the point (-6,1):-
y = 1 , x = -6
substituting in the inequality:-
1 >= 1/3 * -6 + 4
1 > 2 which is not true so its not A
Do same process for the other 3 choices
Change the mixed numbers into simple fractions:
-9/4-(-67/8)
Find the common denominator and subtract:

So your answer is H
Hope that helps
Answer:
1,042
Step-by-step explanation:
Answer:
a. 9/10
b. 3/4
c. 1/3
d. 1/15
e. 6/35
f. 1/15
g. 9/32
h. 4/15
Step-by-step explanation:
a. 
b. 
c. 
d. 
e. 
f. 
g. 
h. 