The conjuction x ≥ -4 and x ≤ 5 can also be written: A. -4 ≥ x ≥ 5
B. 5 ≤ x ≤ -4
C. -4 ≤ x ≤ 5
D. None of the choices are correct

If lmn=xyz, which congruences are true by cpctc? check all that apply

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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?