Rewrite the following expression as an addition problem -4 -9

Pls , the question is in the picture!

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.