Tìm số nguyên dương n để A=n^2+n+2 là số chính phương

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens

Which of the following statements must be true about this diagram? check all that apply. x°, y°, z°, & w°