Atextbook store sold a combined total of 423 math and psychology textbooks in a week. the number of math textbooks sold was 45 more than the number of psychology textbooks sold. how many textbooks of each type were sold?

F(x)=|x| is shifted down 4 units and to the right 3 units.

1234567891011 match the reasons with the statements in the proof. given: j | | k m 1 = m 3 prove: l | | m 1. j||k, m∠3 = m∠1 if lines are ||, then corresponding angles are =. 2. m∠1 = m∠2 if alternate interior angles are =, then lines are ||. 3. m∠2 = m∠3 substitution 4. l||m given

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)