n ΔDEF, the measure of ∠F=90°, the measure of ∠D=49°, and DE = 3.1 feet. Find the length of FD to the nearest tenth of a foot.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

Which geometric principle is used to justify the construction below?