at a given temperature, a first-order reaction has a rate constant of 3.4 x 10–3 s–1 . what is the time required for the reaction to be 44 omplete?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Find the area of a parallelogram with base 15 yards and height 21 2/3

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.