Which equations have a positive solution? choose all answers that are correct. a. -w/9 = 8 b. -12= y/-3 c. -4 = -2/5z d. 1/7x = -2
neeed answer asap more than one correct

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared