Dexter wrote checks and made the deposits shown in his check registry. What was the change in his balance after these transactions? A. -$105
B. -$51
C. $337
D. $623

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).