300 times 4
does anyone know the answer

Solve the system of equations. y= 2x y= x^2 - 15

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?