8 According to the Red Cross, about 42% of Americans have Type A blood. Suppose 80
people show up at a typical blood drive.
What's the expected proportion of people who are Type A (p-hat)?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Examine this system of equations. what integer should the second equation be multiplied by so that when the two equations are added together, the x term is eliminated? 3/4x+1/7y=6 1/8x-3/5y=16