A cheetah's speed was timed over a 100 - yard distance. The cheetah was clocked running 70 miles per hour. Which equation shows the relationship between the distance, y, and time, x, the cheetah runs?

A y=100x C y=100x+70

B y=70x+100 D y=70x

Six less than double a number x

Jackie is selling smoothies at a school fair. She starts the day with $15 in her cash box to provide change to her customers. If each smoothie costs $3.75, which graph represents the balance of the cash box, y, after Jackie sells x smoothies?

I found a rock that contains 1g of radioactive Radium (half-life = 1600 years). I measure that 15g is no longer radioactive. How old is my rock?

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Express 8 as a product of prime factors in index form

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A map has a scale of 6 inches which is equal to 26 miles in real life. If Clayton and Clinton are 52 miles apart, then they are how far apart on the map?