Absolute value. evaluate |a + b - c|, given a = 5, b = -3, and c = -2. a)-4 b)4 c)10 d)0

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?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr