On #29 x = 12 and <apb = 90° and <dcb = 40° and on #30 all I dont even understand, sorry
Your answer would be $18 for 6 cans of cat food
7400 grams is the answer.
The answer would be 93 cents divide it by 2 since you want to share with someone and you would have 46 cents and a nickel for both people