Which term names a pure substance that is made of only one kind of atom? (a) an electron (b) a particle (c) a proton (d) an element

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.

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle