A boat speeds 280 miles down stream at 32 mph, it takes him the same amount of time to go 325 miles upstream at 45 mph, what is the speed of the current? Round your answer to the nearest thousandth.

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work