Answer:
d
Step-by-step explanation:
base² + Altitude² = Hypotenuse²
x² + 9² = 13²
x² + 81 = 169
x² = 169 - 81
x² = 88
x = 

Answer:
-4.375
Step-by-step explanation:
1/2bh
1/2b4 = 18
b4= 36
b= 9 yards
I do not see a picture sadly.
Answer:
x=3/8
Step-by-step explanation:
turn 3/4 into a fraction that has a denominator of 8 3/4x2= 6/8
To get it to 9/8 you add x which is 3/8
so 3/8+6/8 is 9/8
x=3/8