Find the perimeter of a train of 100 equilateral triangles if the triangles are joined side to side. Each side is one inch long. Write an equation to determine the perimeter of the triangle train.

There are 84 new houses being built in a neighborhood. Last month, 1/3 of them were sold. This month, 5/7 of the remaining houses were sold. How many houses are left to be sold?

Is 80 a multiple of 4

Barbara has a part-time lawn-mowing job. The table below shows the amount of money Barbara earned for different numbers of hours of work: Barbara's Earnings from Lawn Mowing Number of Hours Worked Money Earned (dollars ) 5 40 6 48 8 56 Part A: What

A farmer has sheep and cattle in the ratio 8:3. How many sheep has the farmer if he has 180 cattle?

You are looking out your window in a skyscraper, and again your window is at a height of 450 feet above the ground.

What's the inequality of 4n-8<40

Fill in the blank to make the two fractions equivalent. 5/9 = / 36

Given that a, b, and c are non-zero real numbers and a + b ≠ 0, solve for x. ax + bx - c = 0

What value should be added to both sides of the equation X2 + 12 X + 6 equals - 5 to solve the question by completing the square

The cost y for a company to produce x T shirts is given by the equation y=15x+1500