19. what is the sum of the measures of the exterior angles in a heptagon? explain.

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.