Encuentre el volumen de 35 kg de oro

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?

Abcd is reflected across the x- axis, then rotated 90 clockwise about the orgin, and finally reflected across the line y= x to form a’ b’ c’ .