If a certain cannon is fired from a height of 8.4 meters above the ground, at a certain angle, the height of the cannonball above the ground, h, in meters, at time, t, in seconds, is found by the function h(t) = -4.9t? +27.5t + 8.4. Find the time it takes for the cannonball to strike the ground.

Write an equation in standard form of the line that passes through the point and has the given slope. ( -2, 4) ; m = -6which of the following best describes the technique used to graph the equation using the slope and y-intercept? y = 5x + 10write the standard form of the equation of the line through the given point with the given slope. point , 4); slope -3/2

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The measure of angle 0 is 600 degrees