The expression 63 x 42 is equivalent to which of the following numerical expressions? O A. 18 x 8
O B. (6 x 4) 5
OC. 246
O D. 216 x 16
Pls answer

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b