Answer:
21,678 rounded to the nearest ten is 21,680
Answer:
B
Step-by-step explanation: B is the only reasonable answer
Answer:
x = -3
Step-by-step explanation:
The vertex lies on the axis of symmetry, whose x-coordinate is halfway between -9 and 3: x = -3
V=2 BECAUSE
7v2+1=29
7v2=28
v2=4
v=2
Yes they are the same because when the negative is distributed into (an+c), the plus sign becomes a negative.