Ineed major assistance for number 12,13

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Find the nonpermissible replacement for binthis expression.b2/5b +5

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next