While. Keenan was visiting his sister in Campbell, he bought a ladder that was marked down
75% from an original price of $40. If the sales tax in Campbell is 10%, what was the total
cost of the ladder?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

A+b= 17, ab=70, find the value of |a-b|

The school board administered a math test to all students in grade 66 at high achievers charter school and determined that 15\%15% of them were below grade level in math. based on this data, which of the following conclusions are valid? choose 1 choose 1