Astudy showed the chicken pox vaccine can save $5 for every $1 in
cost. if 15,500 children are immunized at a cost of $35 per child, how
much money would be saved?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle