The points A, B,C and D represents the complex number z1,z2,z3 and z4 and O is the origin. If OABC is a parallelogram, and z1=1+i and z2=4+5i find z3

Can someone 50 first drop menu 0.80 or 0.75 or 1.20 or 4.00 second drop menu 4.00 or 0.75 or 0.25 or 3.75 3rd 15,6,10, or 9 4th yes or no

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

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin