Answer: 8
Step-by-step explanation: the given expression is 2n-3
so when n=1, we will get, 2(1)-3=2-3=-1
when n=2, we will get, 2(2)-3= 4-3=-1
when n=3, we will get 2(3)-3= 6-3=3
when n=4, we will get 2(4)-3 = 8-3=5
so the required result of expansion is -1+1+3+5=8
answer is 8.
hope that helped!
You use the slope formula to classify a quadrilateral as a parallelogram or rectangle. you use the distance formula to see if it is a trapezoid.
Answer:
1. Ba + B3
2. 100 + 5g
3. 25y - 14
4. 6 + 2x
5. 2Ba + B
6. 8h - 12
7. 28e + 24
8. -20y + 72
9. 39 - 21w
10. 3x + 6
11. 5 + 2y
12. 3a + 10
13. 4k + 7
14. 42 + 11r
15. 13w + 15
16. 5a + 34
17. 22f - 12
18. 9x + 2
Step-by-step explanation:
I hope this was helpful! <3
Could I get brainliest?
Answer:
a subject and a predicate
Step-by-step explanation:
#9 the sum of two angles is 90 degrees, creating a right angle.
#10 the sum of the two angles is 180 because the form a supplementary angle