The expression (-4x + 9)^2 cannot be equal to (-4x)^2 + 9^2 because it is actually equal to the product of two factors (3 + 2sqrt x) (3- 2 sqrt x). One cannot use obviously distributive property. Hence the answer to this problem should be C. as she did not understand both perfect square trinomial and did not determine the product
Answer:
20
Step-by-step explanation:
Divide 62.8 by 3.14
answer:
895
Step-by-step explanation:
Answer:
All of the following proportions are equivalent except a/d=c/b.
a/b=c/d
b/a=d/c => a/b = c/d
a/d=c/b not equal to a/b = c/d
a/c=b/d => a/b = c/d
Step-by-step explanation:
Step-by-step explanation:
Total songs = 193
Probability of pop song = 39/193 = 0.202
