On the beach, Andy and Matt arranged 30 rows of shells. Each row contained 30 shells. How many shells did Andy and Matt arrange?

Select the sequences that are geometric.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.