Simplify + 13) + (-9a - 2) - (-7a - 3). a: 12 b: -12 c: 14a - 12 d: 14a - (-12) i solved this problem yet i don't know if i did it right. i got b: -12. can someone confirm if i'm right or not? .

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

With both problems. a.s.a.p directions on photo ^