How do you do this function (t - 4) (t + 4)

How is the discriminant used to identify the type of solutions you may find in quadratic equations?

How to solve 100=8 (x+9)

A pot of water is being heated up the temperature of the water can be modeled by this equation with y representing the temperature in degrees Fahrenheit and d representing the time in minutes that the water has be on the stove y = 9.5x + 62.

System of equation x 3y=9 y=x-1

Nick paid $2.94 in sales tax on an item that cost $42.00 before tax. At that rate, how much would he pay in sales tax for an item that cost $58.00 before tax

Caleb wants to kayak. Kayak rentals cost $14.50 for a half a hour. If Caleb rents a kayak for one hour and forty five minutes how much will it cost him?

Test the hypotheses below with the given data. let alpha = 0.05. sample 1: average = 138.4, sigma = 6.71, sample size = 48 sample 2: average = 142.5, sigma = 8.92, sample size = 39 this is an example of

One week, Huey worked 7 hours less than Dewey, and Louie worked twice as long as Huey. Together they worked 87 hours. Find the number of hours worked by each.

Which expression is equivalent to 7 square root of 29

Elimination of x-y=11 2x+y=19