eight times any triangular number, plus 1, is a square number. show that this is true for the first four triangular numbers

A rectangle is 8 feet long. it's width is represented by seven plus times feet. which expression represents the area in square feet of the rectangle

What is 86 as a fraction in simplest form

The sum of four consecutive integers is 326 what is the second number in the sequence

The product y and 2 is less than - 21

Robs tablet is fully charged he uses 1/12 of the charge playing games, 5/12 of the charge reading, and 3/12 completing homework What of the charge remains on robs tablet

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