A rectangular box with no top is to have a square base and a volume of 30 ft3. The material for the base costs 21 cents/ft2 and the material for the sides costs 18 cents/ft2. If x denotes the length of one side of the base (in feet), find a function in the variable x giving the total cost of materials used in constructing the box in cents.

For what value of x does 4x = (1/8) x + 5?

Is the square root of 4 plus the square root of 16 rational?

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.