Irace lasted 2.07 hours. how many seconds did the race last a. 2980.8 seconds b. 7452 seconds c. 5500 seconds d. 124.2 seconds

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.