Find the magnitude of the vector from the origin to (-7, -5) and write the vector as the sum of unit vectors.
A, sqr74, 7i+5j
B, sqr75, 7i+5j
C, sqr74 -7i-5j
D, sqr75 -7i-5j

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Pls brainliest will be awarded if answer is correct