What is the 40th term of the arithmetic sequence? 21, 18, 15, 12, 9,...

−96

6

138

−99

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

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x

angle efh= angle egh

d.) 48 units

step-by-step explanation: