Answer:
Equation of the parabola:
or 
Vertex form: 
Intercept form: 
Step-by-step explanation: hope this helps please give brainlieat!
Step-by-step explanation:
m=y-y¹/x-x¹
=-5-2/8-8
=-7/1
=-7
Answer:
d. 40°
Step-by-step explanation:
70-30=40°
Answer:
no, it's geometric sequence
Step-by-step explanation:
hmm