Which formula gives the x-coordinates of the maximum values for y = cos(x)? kr for any integerk
O ko for k = 0,12,14,...
ks
o 2 for any positive integer k
o the ta for k= 0,32,34...
Help!?

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

What is the y-intercept of the line given by the equation