Steve was out one day on the track running laps. each lap is 400 meters long and 4 laps = 1600 meters. steve knows he can run 2.5m/s. since he is training for a marathon, he is going to run today for 149 minutes. how many meters does he run at the conclusion of his training day

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

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?