Can some one me with 2 & 3

(i will you)

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Asap its important using the information in the customer order, determine the length and width of the garden. enter the dimensions.length: feetwidth: feet