One third cup of milk for each one fourth cup of water. how many cups of water are needed for milk

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

∆red ≅ ∆ by rule will give brainiest if possible

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest