In these the triangles find the angles marked with letters. help me please no links direct answers with explanation​

Which expression is equivalent to the expression shown?

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

Find two consexutive odd integers such that the sum of their square is 650