By giving power to their representatives, how do people still have a say in government? Check all that apply. select all that aPpLy The people cannot communicate their ideas and the actions they want taken to their representatives. The people have to communicate their ideas and actions they want taken to their representatives. The people don't decide who will represent them. The people have to decide who will represent them.

Which of the following is the energy of atoms vibrating inside an object? A. Thermal B. Radiant C. Mechanical D. Electrid

(b) An equation in a complex number system is given by \( z=\frac{1}{\left(z_{1}-z_{2}\right)}+\frac{1}{z_{1}} \) where \( z_{1}=1+2 i \) and \( z_{2}=2-i \). Find the value of \( z \) in the Cartesian form \( a+b i \). Hence find the modulus and arguments of \( z \).

What is true of all matter? A. It has mass. B. It gives off heat energy. C. You can see it. D. It pushes or pulls on objects.

mult. ple choice questions: choose the coriect anser from the choices for each question 1. What is the main purpose of timber conversion A) To plant more trees B) To turn logs into usable wood products C) To make paper D) To burn wood for energy

Por razones de salud, las personas deben limitar sus esfuerzos, por ejemplo durante la realización de un deporte, para no sobrepasar cierta frecuencia de latidos del corazón. Durante años, la relación entre el ritmo cardíaco máximo recomendable y la edad de la persona ha sido descripta por la siguiente fórmula: \[ \text { Ritmo cardiaco máximo recomendable }=220 \text { - edad } \] Investigaciones recientes demostraron que esta fórmula debería modificarse levemente. La nueva fórmula es la siguiente: Ritmo cardlaco máximo recomendable \( =208-(0.7 \times \) edacl \( ) \)