Estimate square root of21

Which of the following circles have their centers in the second quadrant? Check all that apply. A. (x+3) 2 + (y-2) 2 = 8 B. (x - 2) 2 + (y + 7) 2 = 64 C. (x+12) 2 + (y - 9) 2 = 19 D. (x - 5) 2 + (y + 5) 2 = 9

Find the equation that models the path of a satellite if its path is a hyperbola, a=55,000 km and c=81,000 km. Assume the center of the hyperbola is the origin and the transverse axis is horizontal.

The math team does practice drills that each last 1/6 hour. In February the team did practice drills for a total of 24 hours. How many practice drills did the team do in February? 2 different ways to solve.

Factor - 8x3 - 2x2 - 12x - 3 by grouping. What is the resulting expression? A. (2x2 - 3) (4x + 1) b. (-2x2 - 3) (-4x + 1) c. (2x2 - 3) (-4x + 1) d. (-2x2 - 3) (4x + 1)

What is the probability of rolling either a sum of 2 or a sum of 10 using two number cubes

0.562 what is the value of the 5?

On a map, three towns lie in a straight line. Abbeyville is 35 miles from Beantown. On the map, this distance is 2 cm. The distance from Abbeyville to Clarkton is 13 cm on the map.

While driving under normal conditions, your car gets two flat tires at the same time. A) it is impossible B) It is possible, but very unlikely C) It is possible and likely

32,000 is equivalent to how many hundreds

Write (7x^8) (-3xy^2) as a positive exponent