The height h of a rocket t seconds after being launched can be modeled by the equation: h(t)=-1662 +160t.
a) How many seconds after the launch does the rocket reach its maximum height?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Ihave trouble finding the nth term of a linear sequence

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.