Afunction is shown f(x)=2/3x+3 what is the value of f(12)

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais