Need geometry will award brainliest! 1. what is the value (ratio) of tan a a. 15/8 b.8/15 c. 15/17 d.8/17 2. what is the value ratio of cos a? a. 15/8 b. 8/15 c. 15/17 d.8/17 3. what is the measure of angle a rounded to the nearest whole number? a. 2 degrees b. 62 degrees c. 28 degrees d. 30 degrees 4. what is the measure of angle c rounded to the nearest whole number? a. 47 degrees b. 2 degrees c. 28 degrees d. 30 degrees

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

Use the zero product property to find the solutions to the equation (x+2)(x+3)=12