Which formula gives the x-coordinates of the maximum values for y = cos(x)?
kr for any integer ki
kr for h= 0.12, +4,...
2 for any positive integer k
AR
2 for k= 0 +2 +4.

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!

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]