The total number of dollars donated each year to a small charitable organization has followed the trend dt) - 21° + 107 + 20001 + 10,000,
where d is dollars and t is the number of years since 1990. The total
number of donors each year has followed the trend di) - P + 1000.
Write an expression describing the average number of dollars per donor.

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

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.

Which expression shows the sum of the polynomials with like terms grouped together