Problem 6. prove that the square of an integer is not of the form 4k+2 or 4k +3 (k z). in that sense, show that no number of the form 1000. .003 is a square.

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?