Mark brainliest pls :)
a.
38<14+0.05x
24<0.05x
x>480
b. When the number of calls per month is greater than 480, then Plan 1 is more economical. Example: If the number of calls is greater than 480 say 500, then charges in plan 2 will be $39, but Plan 1 is more economical and charges will be $38.
Answer:
80°
Step-by-step explanation:
angles in a triangle add up to 180°
70° + 30° = 100°
180° - 100° = 80°
Answer:
×=2
Step-by-step explanation:
5x+5=15
5×=10
×=2
.........
Answer:
Given sum of interior angles = 1260. n = 13.
Step-by-step explanation:
Therefore the number of sides = 13.