margo had 6/8 of a whole pizza from last night's dinner, she ate 2/8 of the pizza for lunch. what fractional part of the leftover pizza did margo eat for lunch?

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.

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"