PLEASE ANSWER If the cos 23°
then the sin 67° =
o
, because the angles are complementary
because the angles are complementary
O
, because the angles are supplementary
1, because the angles are complementary

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5

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.

Acircle has a diameter of 10 what is the area of the circle? use 3.14 for pi. round to the nearest hundredth