A wheelchair ramp in front of a local restaurant has a length of 21 feet, measured from the foot of the ramp to the door. The horizontal distance from the foot of the ramp to the door is 20.7 feet. To the nearest tenth of a foot, how high is the top of the ramp off the ground? 3.0 feet
3.3 feet
3.5 feet
4.0 feet

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Me n o w. i need t h i s. 10 points