the answer to this question is 15
(1/3)r + (2/3)r = -2 -1
1r = -3
r = -3
Hope this helps
26
thursday 138 (46 x 63 / 21 = 138)
friday 99 (33 x 63 / 21 = 99)
27.
100% - 80% = 20%
20% = 0.2
150 * 0.2 = 30
answer: 30 students chose math
1. parallelograms
2. triangles
3. trapezoids
4. Circles
Answer:
C
Step-by-step explanation:
The first part requires the intersection of the two sets, which means only the elements that can be found in both sets.
While the second part requires all the elements in both the sets.