In rectangle ABCD, the diagonals AC and BD meet at point E. If AC = 3x + 21 and BD = 12x + 3,
find the length of AE.

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?