The price of the radio was $14. The sales tax was 3.5%. What was the total cost of the radio, including the sales
tax?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking