Jon used 121 congruent equilateral triangles with 2 cm side lengths to form one large equilateral triangle. What is the perimeter of the large triangle?

What type of triangle, if any, can be formed with angle measures of 32, 126, and 32?

Would you rather save 25% off or save one third?

Sonia is creating a visual diagram to show the relationship between rational numbers and whole numbers. She draws it to show that some whole numbers are rational numbers and some are not. Is this correct? Explain why or why not.

A survey of Micki's customers showed that 1,800 of the customers buying carrots would buy organic carrots if the carrots were placed near the front of the store. In the first month, 1,500 out of 2,200 customers actually bought the organic carrots.

Suppose Brandon bought three identical t-shirts and a hat. The hat cost $21 and he spent $60 in all. What was the cost of one t-shirt?

The area of a playground is 12 square yards. The length of the playground is 3 times longer than its width. Find the length and width of the playground.

What are the greatest common factors of 15, 25, and 39

How much is 4oz to a cup?

40% of what number is 78? A) 195 B) None of the above C) 109.2 D) 197 E) 31.2

Write an equation and solve: six less than a number divided by 2 is 8