Answer:
b is correct
Step-by-step explanation:
Answer:
x=2;DE,EF=9,DF=5
Step-by-step explanation:
Since DEF is isoceles, you can set the equations
x+7 and 2x+5 equal to each other
x+7=2x+5, now solve for x
-x=-2,
x=2, now plug in for each side
DE,EF=9
DF=3(2)-1=5
Hi!
1. -25
2. 22
3. 0
4. -34.5
hope this helps!
z < 1.25
I used mathaway it's correct
