GIVING BRAINLIEST FOR BEST ANSWER! Use the fraction models to solve the addition equation.
A) Four and six fiftieths
B) Four and five fifteenths
C) Four and five tenths
D) Four and three fourths

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

Long division the problem is 40 ➗ 348 = ?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.