A quadratic function is defined by f : [6, 1]  ℝ and rule f(x) = ax2 + bx + c.

The turning point has coordinates (1, 10). The minimum value of the function is 10. Find the values of a, b and c.

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.