Find the standard deviation for the set of data.
{5,4, 18, 14, 22, 20, 6, 16, 12}

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft. what is the area of the stage? enter your answer in the box. ft²