Answer:
B. Number the students on the school roster. Use a table of random numbers to choose 160 students from this roster for the survey.
Step-by-step explanation:
Since she bought 4 bags of 50 beads and 3 bags of 200 beads you only need to use two operations: multiply and add.
4 x 50 is 200
3 x 200 is 600
600 + 200 = 800
Mariah purchase 800 beads in total.
Step-by-step explanation:

Answer:
red= about 324°
blue= 360°
Green=about 144°
Step-by-step explanation:
NA = AL
<ANL = <ALN = 45 because <NAL = 90
Answer
45