Một khu đất hình thang có đáy nhỏ là 12,4m ,đáy nhỏ bằng nửa đáy lớn và kém chiều cao 12,5dm. Diện tích khu đất đó là bao nhiêu

What is the range of this function? all real numbers such that y ≤ 40 all real numbers such that y ≥ 0 all real numbers such that 0 ≤ y ≤ 40 all real numbers such that 37.75 ≤ y ≤ 40

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?