Answer:
140,120
Step-by-step explanation:
sum of angles in a quadrilateral =360
sum of the 1st two angles=60+40=100
360-100=260
the ratio of the remaining angles 7:6
therefore:

=140
for the second angle
260-140=120
I recommend u use the app called photomath. It works a lot.
Answer:

Step-by-step explanation:

Answer:
1.5
18 and 33
Step-by-step explanation:2.
c
Answer: to find the mean add up all the scores and then divide it by the number of scores that are there and to find the mode order the numbers lowest to highest and see which number appears the most