Determine if the graph r=2cos30 is symmetric about the x-axis, the y-axis or the origin

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?