The product of 5x4 - 3x2 + 2 and (5y)2 - 10x2 + 15 illustrates the closure property because the Blank A of the product are Blank B and the product is a polynomial. Blank A should be filled in with which choice
Blank B should be filled in with which choice

coefficients

variables

rational numbers

wholes numbers

integers

exponents

What numbers are included in the set of integers? what numbers are not included?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4