Write the linear system of equations as a
single matrix equation.
x - 2y - 5z = -1
y + 2x + 2z = 7
Z + y + 4x = -1

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

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