Which pairs of lines are parallel? Select each correct answer.
y=-4x +1 and 8x + 2y = -3
y= 3x +3 and y= –2x – 1
3x – 2y = 5 and 6x + 4y=1
y= x+2 and 2x – 7y = 8

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.