Robert wants to purchase a skateboard for $109.98. He will also have to pay a 6.5% sales tax, a) How much did he pay in tax?

b) What is the total cost of the skateboard?

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What is the vertex form of f(x) = x2 + 6x + 3

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

What is the prime factorization of 23 ?me with this question