What is the amount of sales tax owed on a $39 jacket if the tax rate is 5% a.$1.85 b.$1.90 c.$1.95 d.$195.00

Anyone know? will mark brainliest if you're correct!

Is it greater than or less than7*3_9*2

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?