Della bought a tree seedling that was 2 1/4 feet tall. during the first year, it grew 1 1/6 feet. after 2 years it was 5 feet tall. how much did the seedling grow during the 2nd year?

What is the gcf of 20c^3-5c^4+30c^6

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.

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?