Evaluate the summation of 3 times negative 2 to the n minus 1 power, from n equals 1 to 5. a) −93. b) −33. c) 33. d) 93

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?