Given that sin40°=k without using a calculator, express each of the following in terms of k 1.2.1 ) sin (-140°)
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Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square