Law of cosines: a2 = b2 + c2 – 2bccos(a) find the measure of j, the smallest angle in a triangle with sides measuring 11, 13, and 19. round to the nearest whole degree. 30° 34° 42° 47°

If f(x)= 3x+6 which of the following is the inverse of f(x)

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply