How many solutions does this linear system have? y = –6x 2 –12x – 2y = –4 one solution: (0, 0) one solution: (1, –4) no solution infinite number of solutions

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)