How to find area of 2d triangle

What is the mathematical sign for "less than"?

Yesterday 1743 people visited the fair today there are 576 more people at the fair than yesterday

Margot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x2+1 inches. She plans to make a similar pillow, including the ribbon, whose side length is 4x-7 inches.

Using the data below, calculate the absolute error for the 3rd week. use the 2 period moving average to create the forecast

Pablo generates the function f (x) = 3/2 {5/2} ^ x-1 to determine the xth number in a sequence.

Ms Cooke bought 9/10 of a cake. She ate 2/5 of her cake. How much cake left.

The average of 4 number is 85. if three of the numbers are 76, 78, and 81 what is the fourth number.

Aiden and Ryan are collecting clothes for a shelter. Ryan collected 1/4 as many clothes as Aiden did. If Aiden collected 12 bags of clothes, which expression below could you use to find out how many bags of clothes Ryan collected? a. 12 : 1/4 b.

29, 19, and 29 triangle as acute, right, or obtuse.

Dean ran 1 2/5 miles. Sheila ran three times as far as Dean. How far did Sheila run?