What is this number in standard form? (3×100)+(1×1/10)+(4×1/1,000) Enter your answer in the box. please help fast . im panicking . btw it has to be decimal form

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

How much orange juice do you need to make 2 servings of lemony orange slush?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'