Simplify. (x6y5)(5xy2)(−6x4) a. 30x11y7 b. −30x11y7 the answer to my question is bc. −x11y7 d. x11y7

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

Does anyone know how to do geometryme with this problem

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.