Answer:
6x +4 where x is amount for standard call
Step-by-step explanation:
Because they show exactly how much of something is there/needed.
The height is 5 m. The area of a trapezoid is (b1+b2/2)h
Answer: B = 9
Step-by-step explanation:
16-b=7
Rearrange so we can subtract 16 by 7
16 - 7 = 9
Substituting 9 for b and making sure it's correct.
16 - 9 = 7
Assume that pi is approx. 3.14. Then 86.92 = approx. 27 2/3 times pi, or
86.92 is approx. equal to 83pi/3.
