6x+y=6
8x-2y=-1

con solución de sistemas de ecuaciones por favor

What are similarities and differences between refraction, reflection, diffraction and absorption?

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine