8. How many joules are needed to change 42.3 g of lead from 44.3°C to 76.8°C? The specific heat of lead is 0.130 J/g °C.

please help <3

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Will mark name all segments skew to bc