WHICH OF THE FOLLOWING RATIOS ARE PROPORTIONAL? A) 4/13, 5/26
B) 12/5, 60/75
C) 2/9, 11/36
D) 5/12, 10/32​

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.