If x =3, y = -2 and z = 6, find the value of 7xyz

Using the given statements, state whether the conditional statement is true or false. p: 7 + 1 = 0 q: 2 + 2 = 5 is p q true or false?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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