Find g(x)⋅h(x) g(x)=4x+1andh(x)=x2−5 A 4x3+x2−20x−4
B 4x3+x2−20x−5
C 4x3−5
D 4x3−x2+20x−5

Find the value of the cosine for angle a

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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?