Rex's class raised frogs from tadpoles. the class has 21 students, and each class raised 6 tadpoles. all but six of the tadpoles grew to be frogs. write a number sentence to show how many frogs the class has.

Is a deceasing linear model or an exponential decay model likely to be a better fit for the data about remembering? ?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

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