Check which of the following numbers are in proportion,10,20,30,40

What is the rotational symmetry of a wheel

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t