Find the cost and markup of a stove if it sells for $400 and is marked up 100% of the cost.

The square root of 9x plus 7 plus the square rot of 2x equall to 7

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

2. there are 250 students in a school auditorium. use numbers from the box to complete the table. 16, 38, 18, 45, 25, 50, 32, 60 grade number percent of all students of students fifth 24 sixth 95 seventh 20 eight 45