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B. Simplify The following:

1.) 3xy-2xy+3 = ______
2.) 4n²+3-2n² = _______

C. In the given polynomials identify each part.

15mn⁴+5mn²-3

a. Constant = ______
b. Variables = ______
c. Numerical coefficient = _____
d. Literal coefficient = _____
e. Leading term = _____
f. Leading coefficient = ______
g. Numbers of terms = ______

D. Arrange the term in decreasing order of terms.

1.) 6xy+3xy³-2xy²+8 = ______
2.) 12p³-7p+p²-5 = ______