4) – 2x2 + 6x + 5 = 0 a. nonreal
b. real, irrational, and unequal
c. real, rational, and equal
d. real, rational, and unequal

If a(0,0,0) and b(2,2,2) are points in coordinate space, how many paths are there from a to b that move from one lattice point to another in the positive x-,y- or z- direction?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.