Kathy is twice as old as Mary. Kathy is 2 yrs younger than Jon. The sum of all three ages is 77. How old is Kathy?

Find the value of x. 6+3x and x+14?

Emily wants to buy a square tablecloth to cover a square card table. She knows the tabletop has an area of 9 square feet. What are the minimum dimensions of the tablecloth Emily needs? [ ] feet by [ ] feet.

Which expression is equivalent to 32 (30+6) divided by 3 2 times (9+7) 9 times (3+5) 6+2 times 5

3 boys share 28 toy cars equally. how many cars did each boy get and how many were left over?

Sue has 156 marbles. She lost 24 marbles. How many marbles does Sue have now?

Shella is making a scale model of a monument that is 215 feet tall. She uses a scale of 1 inch = 5 feet. How tall should Sella make her model?

X^2+y^2+3x=0 Find the x and y intercepts

Joan is building a sandbox in the shape of a regular pentagon. The perimeter of the pentagon is 35y4 - 65x3 inches. What is the length of one side of the sandbox? 5y - 9 inches 5y4 - 9x3 inches 7y - 13 inches 7y4 - 13x3 inches

Find the volume of the triangular prism. The base of the triangle is 4cm and the height of the triangle is 6cm. The length of the prism is 3cm

Problem construct a triangle with interior angle measures of 60° and 60° let one of the side lengths beaten what are the length of the other side