I'm not really sure but, the solution is 3x-10=25
To convert (x, y) from rectangular to polar form on the TI-84 graphing calculator:Press [2nd][APPS] to access the Angle menu. ...Press [5] to select the. ...Enter the point (x, y) and press [ENTER] to display r in the. ...Press [2nd][APPS][6] to select the. ...Enter the point (x, y) and press [ENTER] to display
Answer:
C. The statement is not correct. Samples should be chosen randomly to ensure that each individual in the population has about the same probability of being chosen.
Step-by-step explanation:
Random sampling ensures that all the individuals in a population has a chance to be chosen to participate. This method also ensures that they get an unbiased result. Even with a large sample size, the selection of the sample is integral to ensure that the researcher gets an unbiased representation of the group.
12 cm^2, because I added the 2 bases (3 cm and 5 cm) and then multiplied it by the height (3 cm). Finally, I divided it by 2