Which of the following rules always uses at least one subproof? o a) universal introduction o b) conjunction introduction o c) disjunction introduction o d) existential introduction

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.