Answer:
Step-by-step explanation:
First one is 19. The work is 7+7+5=19
Second one is 22. The work is 12+5+5=22
Third one is 15. The work is 3+3+3+3+3=15
Hello,
++++++++++++++++++++++
Answer B
++++++++++++++++++++++
2x²+28x-5=2(x²+2*7x+49)-5-2*48
=2(x+7)²-103
++++++++++++++++++++++++++++++
It means the same used in a question like this, is 25 as much as 25.
C = 2 pi r
C = 2 x 3.14 x 4.4
C = 27.632
C = 27.6 to nearest tenth.
answer
C = 27.6 cm
hope it helps