By what scale factor does the length of AB in the figure shown change under the dilation

(x, y) →(2/3x,2/3y)

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?

A23 – year – old male buys 100/300/100 liability insurance, collision insurance with a $100 deductible, and comprehensive insurance with a $250 deductible? what is his total annual premium? (a) $1142.00 (b) $1765.45 (c) $1770.10 (d) $1785.25