Find the coordinates of the point p that divides the directed line segment ST into a ratio of 4:1

Rearrange the formula c^2 = a^2 + b^2 for b

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Through non-collinear points there is exactly one plane.