Marcus flipped a coin 800 times and it landed on heads 560 times. what us the relative frequency of the coin landing up based on the results of the experiment. 30% 70% 3% 7%

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left