Which choice could be the equation of a line perpendicular to the line represented by this equation? y = 5

a. y = 4x - 9

b. y=-1/5x

c. y = 5x

d. x = 5

X-8/2 + 1/3 = 7 what is x?

A certain magical substance that is used to make solid magical spheres costs $800 per cubic foot. The power of a magical sphere depends on its surface area, and a magical sphere can be sold for $30 per square foot of surface area.

Find the vertex of the parabola whose equation is y = - 2x2 + 8x - 5.

What is - 28>15r+19 sorry its been a while since I've done this

A culture started with 3,000 bacteria. After 7 hours, it grew to 3,300 bacteria. Predict how many bacteria will be present after 17 hours. Round your answer to the nearest whole number. P=Ae^kt Answer:3,780

1. Solve each equation by graphing the related function. If the equation has no real-number solution, write no solution. x^2-9=0 A. x = ±3 B. x = ±9 C. x = 0 D. no solution

Write a decimal for each of the following 3x10+5x1+2x (1/10) + 7x (1/100) + 6x (1/1000)

What polynomail is this 2x-6

Change the decimal 13/20 to a decimal A. 0.65 B. 0.065 C. 0.15 D. 0.015

For the basic function f (x) = x, what conclusions can you make about fix) and f (x) - 5? Select all that apply. a. They intercepts are the same. b. The function () - 5 has a greater rate of change c. They are parallel lines: d.