The difference between the solutions to the equation x2 = a is 30. what is a? show that your answer is correct

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.