Which of the following statements are true (i) a nonhomogeneous system of 7 equations in 6 unknowns always has a unique solu- tion. (i) if a and b are row equivalent then their row spaces are the same. (iii) if a 7 x 9 matrix has 7 pivot columns then nul a=r2 a. i only b. ii only c. iii only d. ii and iii only e. i, ii, and iii

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?