Answer: The sales tax rate is 3%.
Step-by-step explanation: $12.90 is 3% of $430.
Answer:
v=1.0046196
Step-by-step explanation:
I do not know if you mean x² or 2x, so here are both equations:
Equation 1:
x² - 16 = 0
x² = 16
x = √16
x = <span>±</span>4
Solutions: x = 4 and x = -4
Equation 2:
2x - 16 = 0
2x = 16
x = 8
Solution: x = 8
Answer: He has 7 books.
Step-by-step explanation:
9 - 2 = 7
Answer:
1/52
Step-by-step explanation:
To obtain the probability of drawing a 9 of spade from a deck of 52 cards ;
Probability = (number of required outcomes / number of total possible outcomes)
Number of Required outcomes = 1 (there is only one 9 of spade in a deck of 52 cards)
Hence,
P(9 of spade). = 1 / 52
