Suppose y varies directly with x and inversely with z. When x=60 and z=5. Find the constant of variation and the equation of combined variation

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

Which of the following are accepted without proof in a logical system? check all that apply.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.