Find the exact value of cos2theta if sin2theta=3/4 and theta is between 0 and 90 degree

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?