Which sdlc approach does the following scenario most likely model?

an order-and-configuration software system is enhanced every four months.

v-model
spiral model
waterfall model
rapid application development (rad) model

Melissa needs to add a topic to an email that she will send to her teacher. choose the name of the field where she should type her topic.

Whats three fourths of 15(this is supposed to be in math but i clicked too fast)

Choose the correct citation for the case which established the "minimum contacts" test for a court's jurisdiction in a case. select one: a. brown v. board of education of topeka, 347 u.s. 483 (1954). b. international shoe co. v. washington, 326 u.s. 310 (1945) c. haynes v. gore, 531 u.s. 98 (2000). d. international shoe co. v. washington, 14 u.s. code 336.