Convert 50 feet per second to miles per hour. 5280 ft = 1 mi round to the nearest hundredth.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

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.

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.