If δabc is congruent to δdef, which statement must be true?

a.
line bc is congruent to line de
b.
∠a is congruent to ∠d
c.
∠bac is congruent to ∠def
d.
line ab is congruent to line ef

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

Which of these phrases uses parallelism to create a sad tone?

Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. use a significance level of 0.05. r=0.105, n=15 a: critical values: r= +0.514, no significant linear correlations b: critical values: r= +0.514, significant linear correlation c: critical values: r= +0.532, no significant linear correlation d: critical values: r= 0.514, no significant linear correlation will mark brainliest !