If, 123 = 12
134 = 20
253 = 40
261 = 21
Then 542 = ?
please help​

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

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.