Keri is simplifying 5·10−3 which is equivalent to 8/10^-2

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28