Z +w-3= k 6z – 10w = 8
Consider the system of equations above, where k is a constant. For which value of k are there
infinitely many (w, z) solutions.

A) -19/5
B) 5
C)8
D) none of the above

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?