1. which of the following vectors are the same? (a) v = h3, −3i (b) v has initial point: (3, −2) and terminal point: (2, −3) (c) kvk = 3√ 2 and v makes an angle of −π/4 with the positive x-axis. (d) kvk = √ 2 and v makes an angle of 5π/4 with the positive x-axis. (e) v = h−1, −1i

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?