Ineed ! brainliest fr first right answer instructions: select the correct answer. is the probability of randomly picking an ace of hearts from a standard deck of playing cards? assume there are no jokers in the deck. a. 1/52 b. 3/52 c. 1/13 d. 1/4

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

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

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585