Select the correct answer. teacher wants to compare scores on a geology exam for two classes. The difference between the sample means is 21.4. If the standard
deviation of the distribution of the difference between sample means is
16.66, and she is testing the hypothesis at the 68% confidence level,
vhich statement is true?

Lindsay is creating a bridge out of dried pasta and glue. in her plans, she sketches the graph to determine the lengths of the noodles, in centimeters, needed for the arch to increase the length of the bridge in 1 centimeter increments.which function did lindsay use to create her design? f(x) = (x – 5)2 + 8 f(x) = –(x + 5)2 + 8 f(x) = 0.5(x + 5)2 + 8 f(x) = –0.5(x – 5)2 + 8

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.