The price of an iPhone was 450$, the sale decrease its price to 292.50$.The question is what is the discount 65% or 55% or 35%

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.