Answer:
Answer is A
Step-by-step explanation:
Area of triangle = 
=
=25
Area of rectangle = bxh
=10x5
= 50
Answer:
r<9
Step-by-step explanation:
r/3 + 5 < 8
Subtract 5 from each side
r/3 + 5-5 < 8-5
r/3 < 3
Multiply each side by 3
r/3 *3 <3*3
r<9
Answer:
C. m+n/2
Step-by-step explanation:
Factor out the 3 in the numerator and apply the difference of squares, factor out the 6 in the denominator, and reduce where applicable. It'll all cone out to look like option C.
I believe the answer is A.
The other values have repeated X values.
I think the answer would be x= 4/7 y = +-16/7