If you drive your car for three hours on average speed of 130 km per hour how far did you go

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document