Vincent just became a personal trainer and is finalizing his pricing plans. one plan is to charge $20 for the initial consultation and then $35 per session. another plan is to charge $30 for the consultation and $30 per session. vincent realizes that the two plans have the same cost for a certain number of sessions. what is that cost?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?