6.7 #19 If 4000 dollars is invested in a bank account at an interest rate of 5 per cent per year, compounded continuously. How many years will it take for your balance to reach 40000 dollars?

its an acute right triangle

step-by-step explanation:

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation:

i think the answer is a.( -3, -1 )