A sample of aluminum metal absorbs 9. 86 j of heat, upon which the temperature of the sample increases from 23. 2°c to 30. 5°c. Since the specific heat capacity of aluminum is 0. 90 j/(g•°c), the mass of the sample is:.

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

Alaser tag arena sells two types of memberships. one package costs $325 for one year of membership with an unlimited number of visits. the second package has $125 enrollment fee, includes five free visits, and costs and additional $8 per visit after the first five. how many visits would a person need to use for each type of membership to cost the same amount over a one-year period?

True or falseaccording to the fifth amendment people cannot be tried for the same exact crime more than once