Tickets to the aquarium cost $10 for adults and $8 for children. The school has a budget of $160 for the field trip. An equation representing
the budget for the trip is 10x+8y=160. Solve this equation for x. Be sure to
simplify your solution.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Find the maximum value of p= 4x + 5y subject to the following constraints :

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.