PLEASE SHOW STEPS TO SOLVING AT A BEGINNERS LEVEL! THE ANSWER IS 19 BUT I don't know HOW THAT HAPPENED WORTH 20 POINTS

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Is there a direction u in which the rate of change of f(x, y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.