Answer:
That would be 2/7
Step-by-step explanation:
Using substitution. x^2 +x+1 at 1 is 7
sqrt4 is 2
2/7
Answer:
B
Step-by-step explanation:
if BU and BN weren't congruent, then the two triangles couldn't be proved to be congruent
Answer: -14k - 14
Step-by-step explanation:
Answer:
BRAINLIEST??!!!!
Step-by-step explanation:
Remember

so since they're all being multiplied, just add the exponents and see which one doesn't add to 2
A. -3+5-2+2=2+0=2, yep
B. -9+0+2+5=-9+7=-2, nope
C. -3-1+1+5=-4+6=2, yep
D. -5+9-2+0=4-2=2, yep
answer is B