The 6 fourth-grade classes at
west elementary donated a total of
$1,792 to restore a wildlife habitat.
write and solve an equation that
shows one way to estimate the amount
donated by each class.

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

An angle that measures between 90 and 180° is called a(,