Find the vertex using the formula x = - b/2a. x = 4/2 (1) x=?

Without graphing, determine whether the system of linear equations has one solution, infinitely many solutions, or no solution. Explain your reasoning. y=5x-9 and y=5x+9

You apply a force of 20N to an object with mass of 10kg. What is the acceleration?

Solve for m. 4+|7-m|=5 m = 6 or m = 8 m = 2 or m = 16 m = 16 or m=-2 m = 6 or m=-8

find the area, in square feet, of a triangle whose base is 4/2/3 feet and whose altitude is 8 4/7 feet

Is the function h (x) = 5 7 - 6x+5x2 linear or nonlinear?

The ratio of white chocolate to dark chocolate sold at a candy shop was 4 : 3. If there were 28 bars of white chocolate sold, how many bars of dark chocolate were sold?

11 + 1 + 0.01 + 0.11 + 0.111 = ? CA

the half life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. starting with 165 grams of radioactive isotope how much will be left after 4 half lives.

S the inequality below sometimes, always, or never true? - 2 (2x + 9) > - 4x + 9 A. always B. sometimes C. never

A city manager wants to add a playground in a new city park. The rectangle below represents the plan for the dimensions of the rectangular playground. area = x^2 + 18x + 45; Width=W; Length = x+15 a.