Answer:
$50
Step-by-step explanation:
If the tip was $9, you can find the total price by <u>dividing</u> 9 by .18. .18 is 18% but as a decimal (move to the left two decimal places). 9/.18 = 50.
You can also check the answer by finding the 18% tip of $50. 50*.18=9.
answer
C = 263.76 m
C = 2×pi×r
C = 2×3.14×21
C = 131.88 m
For 2 rounds,
C = 131.88 x 2
1) 3|x|=[0; infinity). there is no infinity sign lol
2) 3|x|= (0; infinity)
Linear equation: y = mx + c
m = slope
c = y-intercept
