Frank has x baseball cards in his collection. He gets 45 more for his birthday. Which expression shows the number of baseball cards Frank has altogether?

Frank has X+45 baseball cards

Step-by-step explanation: You just add 45 new baseball cards to the ones he had before which is X {hope this help's :{

add an image

step-by-step explanation:

step-by-step explanation:

descending order means to order the polynomials from the term with the largest exponent to the term with the smallest exponent.  

therefore, the correct answer is d.