What number must you add to complete the square? x^2 +12x=40

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

Analyze the diagram below and complete the instructions that follow. how to find tan