Answer:
A
Step-by-step explanation:
B- 1/2 the books are science books. You have to add the two fractions and subtract that from one.
2x^-3= 2/x^3
you can't multiple 2x to the power of -3 because is not correct. so you need to change the equation for it to give you an answer
Answer:
a
Step-by-step explanation:
