B. has 15 marbles and he got 123 more marbles add those two numbers and see what the number rounds to.

6x-5=2x-3 what is x in the equation

The fastest that a seahorse can travel is 2,640 feet per hour. What is its top speed in miles per hour? 0.05 miles per hour 0.2 miles per hour 0.5 miles per hour 2 miles per hour

Which is the polynomial function of lowest degree with rational real coefficients, a leading coefficient of 3 and roots sqrt 5 and 2? A) f (x) = 3x^3-6x^2-15x+30. B) f (x) = x^3-2x^2-5x+10. C) f (x) = 3x^2-21x+30. D) f (x) = x^2-7x+10.

The distance to the nearest exit door is no more than 200 feet. Use d to represent the distance (in feet) to the nearest exit door.

What is the vertex of g (x) = 8x2 - 64x? (4, - 128) (-4, - 128) (4, - 16) (-4, - 16)

If y varies inversely as x, and y=2 as x=3 find y for the x - value of 1. Answers: a) 6, b) 5, c) 4, d) 3

Simplify [2 * (10 5) ] - 5 Question 4 options: 25 20 12.5 120

Which of the functions have a range of all real numbers

Solve the inequality. |6p + 3| > 15

4.9t^2-2.78t-1.15=0 what is the value of T