Isaac and Paul shared some baseball cards in the ratio 2:5. If Paul gave 30 cards to Isaac, they would have the same number of cards. How many cards does Isaac have in the beginning? PLS SHOW YOUR WORK. WILL GIVE BRAINLIEST TO THOSE YOU DO EVERYTHING. HELP ASAP. 10 POINTS.

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

What else equals 42 and 30 for multiply