AB←→ contains the points A(2,1) and B(3,4). CD←→ contains the points C(−2,−1) and D(1,−2).
Is AB←→ perpendicular to CD←→? Why or why not?

the answer is 99.

answer: 0.1,0.85

step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.