Answer: it has only one solution on khan acadmay
Step-by-step explanation:
Answer:
C)infinitely many solutions
A: Slope:
2
3
y-intercept:
(
0
,
−
)
x
y
16+16+16+9+9=32+16+9+9=48+9+9=57+9=66
The answer is 66
26
x=2;DE,EF=9,DF=5
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