All of these concerns can be diagnosed using the paper test except for a

a. bad spark plug wire in the ignition system.
b. faulty injector on a multiport engine.
c. burned valve.
d. cracked exhaust manifold.

Which of the following if statements uses a boolean condition to test: "if the item is on sale, you can buy it"? a: if( onsale < = "yes" ): b: if( onsale > = "yes" ): c: if( onsale == "yes" ): d: if( onsale ! = "yes" ):