Answer:
Step-by-step explanation:
hello :
−7x>10
multiply by : -1 : 7x < -10
x< -10/7
Parentheses
Exponents
Multiply/Divide
Add/Subtract
What is the acutal question
Answer:
axis of symmetry:
, vertex: 
Step-by-step explanation:

axis of symmetry(x-value of the vertex): 
input this value into the function to get the vertex



is the y-value of the vertex

plz mark me brainliest. :)
To answer this, we need to first find the rate and the multiply it by 3. 840/12 = 70 miles per hour. Then multiply it by 3. 70*3=210 miles. Another way we can do it is that we can divide 840 by 4 because 12 hours / 4 = 3 hours. 840/4 = 210 miles.