Answer in standers form

The equation for a circle is x2-8x+y2-2y-8=0 . What is the equation of the circle in standard form?

Which expression gives the volume of a sphere with radius 5

I have 4 factors. three are 1, 2, and 10. what is the fourth

The sum of twice a number x and 13 is two less than three times x

A mountain climber is at an elevation of 10,354 feet. After 4 hours, he is at an elevation of 8,090 feet. Find the climber's vertical speed using this formula:

97,700,000,000,000,000,000,000 in a scientific notation

Fred has 8 dogs. 3 of the dogs are males and 5 are females. What decimal represents the amount of Fred's dogs that are males? Explain how you got your answer.

Store A sells 6 totes for $53.70. Store B sells 8 of the same totes for $71.60. Which store sells the toes for the lower unit price? How much lower?

A bag has 5 apples, 10 oranges, and 5 peaches. What is the probability of pulling out an apple? Enter your answers in this order: reduced fraction, decimal, and then percent.

A map of Brasilia has a scale of 1 inch to 5 miles. If the city is 2 7/16 inches across on the map, what is the distance across the actual city? a.) 10 1/2 mi b.) 8 3/16 mi c.) 12 3/16 mi d.) 8 1/4 mi