Can you post a picture about the question
Answer:
the answer is 10
Step-by-step explanation:
2x^2-y turns into
2*3^2-8
\ /
2*9-8
\ /
18-8
\ /
10
hope this helped if it did reply and do forget to rate thank you
Answer:
Speed of car B is 33 km/h and speed of car A is 
Step-by-step explanation:
Let speed of car B be
km/h
Speed of car A is 12 km/h more than car B.
Therefore,
Speed of car A =
km/h
Distance = Speed × Time
Distance travelled by car A in 4 hours =
km =
km
Distance travelled by car B in 4 hours =
km
Also, cars A and B are 312km apart after 4 hours.

Speed of car B is 33 km/h and speed of car A is 
Answer:
sin(62)=18/x
Step-by-step explanation: sine = opp/hyp