Working alone, a landscaper could build a retaining wall in 38 hours, while his apprentice could build the wall in 62 hours. If t represents the number of hours it would take them to build the wall while working together, which equation is correct?

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

How do you solving the solution of each system using elimination?

Complete the input-output table for the linear function y = 3x. complete the input-output table for the linear function y = 3x. a = b = c =