What is the value of 12(3x+5x) when x=7

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Factor the following expression completely 6x^11-24x^7

Alarger number is double the sum of a smaller number. the larger number is 2 less than 3 times the smaller number. if y represents the larger number and x represents the smaller number, which equations model the situation