When a substance recives 800 cal of heat, its temperaturs increases by 20 °C. If the specific heat of the substance is
0.02 cal / (g m°C) then find the mass of the substance in
kilogram​

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is