Which situation models combining a number and its additive inverse to make 0? a. after spending $20.00, marjorie has $20.00 left in her wallet. b. the temperature at midnight was –8°f. the temperature decreased 8°f by morning. c. tim has $25.00 in his bank account. he withdraws $25.00 from his bank account and gives it to his mother. d. an airplane is at an altitude of 50,000 feet. an hour later, the airplane is still at an altitude of 50,000 feet.

Prove that quadrilateral is a rhombus.

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.