The delivery truck for hall's department store left the mall at 10: 00 a. m. it was gone for 7 hours. when did it return

What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

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Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?