. what is the equation in slope-intercept form of a line that is perpendicular to y = 1/4x − 1 and passes through the point (4, 1)? enter your answer by filling in the boxes.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?