Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks. eli and danny met for dinner in downtown newberg. eli did flat-rate valet parking for $10. danny went to another valet and paid $4 up front and $2 for every hour, including the first hour. ultimately, the friends ended up paying the same amount. how much did each one pay? how long did they stay? eli and danny both ended up paying $ for hours of parking.

The investigating team suspected that there were differences in the cost of repairing cars in workshop i and workshop ii. the investigating team suspected that the costs raised by workshop i were greater than workshop ii. for that they tested the repair of 15 cars in each workshop to see the cost of repairs.the decision of the right hypothesis to prove the suspicion above is a. h0 : μ1- μ2­ = 0; ha : μ1- μ2­ ≠ 0 b. h0 : μ1- μ2 ≥ 0; ha : μ1- μ2 < 0 c. h0 : μd ≥ 0; ha : μd < 0 with μd = μ2- μ1 d. h0 : μd = 0; ha : μd ≠ 0 with μd = μ2- μ1 e. h0 : μ1- μ2 = 0; ha : μ1- μ2 ≥ 0