Solve on the interval 0 2pi. 2sec(x)+4=0

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab