Which expression is equivalent to 4^-2 x 7^-2

Classify the following triangle check all that apply

Find percent notation for 0.008 0.008=

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me