An artistic quilt is being designed using computer software. the designer wants to use regular triangles in her design. what interior angle measures should she set in the computer software to create a regular triangle?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0