Andre says that 5 3/4 + 2 1/2 =7 1/2 because 7 4/8 = 8 1/2. identify his mistake. draw a picture to prove that he is wrong.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

The second term of an arithmetic sequence is 30. the fifth term is 90.calculatei). the commor difference of the sequence ii). the first term of the sequence tje first, second and fifth terms of the arithmetic sequence are the first three terms of a geometric sequence calculate the seventh term of the geometric sequence