A concert promoter sold 475 tickets to a rock concert. The ticket prices for different seat locations were $10, $15, and $20. The total income from the concert was $6,300. If the combined number of $10 and $15 tickets sold was 4 times the number of $20 tickets sold, how many $10 tickets were sold?

What is the measure of angle x? a.101 b.158 c.44 d.79

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.

What are the domain and range of f(x)= -log5(x+2)