Plzzz help me

Simplify:
4a to the power of 2 + 3a + 5a to the power 3 - 1

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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?