How do you solve x + 10y * 3 = 20 i really need help it is for Algebra 1 (not really but they deleted my other question since i wanted to talk)

Which statement best describes the polynomial

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.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab