Answer:$7.50
Step-by-step explanation:
multiply 2.50 by three because four goes into 12 three times.
Answer:
His score decreased by 9 percent this time.
Step-by-step explanation:
From his first history exam he had a score of 90 percent. The difference between his first score and present score is given by
90 - 81 = 9
Answer:
IDK
Step-by-step explanation:
As a = 0 , there is no sign . Its only 0. Thus the answer is (c)
