Acircular racecar track has a radius ig 1.6 miles. about how many times must a car drive around the race track to drive 15 miles

Y=4x^2+x-1 solve using quadratic formula

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm