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°

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.