In 1990 an item cost $7.98. In 2019 the same item was $11.49. because of inflation and other factors those numbers are not the best compare. if the consumer price index in 1990 was 130.7 but im 2019 was 251.4, which one was more expensive in 2019?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

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.

Identify the number 127 as a rational or irrational. explain