It takes a computer 1.2 seconds to perform an operation. If a task contains eight operations how many seconds will it take for computer to perform the task twice

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2