s response team help me! Mark X

01-which of the pairs below is the solution of the system below?

2x - y = 0 x + 3y = 7

A) (2.1)
B) (-1.2)
C) (1.2)
D) (0.0)

02-Classify the following linear system:

3x - 2y = 4
x - 4y = 2

A) SBP
B) SPI
C) SI
D) SPD

03- Convert 30 ° to radians

04-Convert to degrees:

5π / 6

A) 135 °
B) 150 °
C) 180 °
D) 120 °

05- The minute hand of a watch measures 12 cm. How far does your end travel for 20 minutes?

A) 24.13 cm
B) 25.12 cm
C) 21.14 cm
D) 22.11 cm

06-Determine the quadrant where the 840 ° arc end is located

A) 3rd quadrant
B) 2nd quadrant
C) 1st quadrant
D) 4th quadrant

07- Reducing to the 1st quadrant, calculate the value of 225 tg

A) 1/2
B) -1/2
C) 1
D) 0

8- A person makes 8 bicycle rides around a circular track with a radius of 20 m. Determine the distance traveled by the bicycle.

π = 3.14

A) 1002.3 m
B) 1001.5 m
C) 1004.8 m
D) 1003.4 m

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.