16
Which point lies on the line y = -2x - 3?
A (-2,-1)
B (-2,1)
c (-1, -2)
D (1,1)

B: (-2,1)

Step-by-step explanation:

Plug all the ordered pairs in:

-1=-2(-2)-3 -> 1 doesn't equal -1 so A doesn't work

1=-2(-2)-3 -> 1=1 so B does work

-2=-2(-1)-3 -> -2 doesn't equal -1 so C doesn't work

1=-2(1)-3 -> 1 doesn't equal -5 so D doesn't work

Therefore, B is the correct point

the point lies on the line y = -2x - 3 is

-2(-2) - 3 = y

4 - 3 = y

1 = y

the answer is b

Step-by-step explanation:

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1

it has 4

step-by-step explanation:

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