Anumber decreased by 32 is -58. find the number.

Can someone answer these problems for me

Ten times the square of a non-zero number is eqaul to ninety times the number

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.