For the equation y = 2x2 - 5x + 18, choose the correct application of the quadratic formula.

x--5+/(-5)2 - 4(2)(18)

2(2)

x=5+ (-5)2 - 4(2)(18)

o no a

2(2)

x--23 V(2)2 - 4(-5)(18)

2(-5)

X-24V(2)2 - 4(-5)(18)

2(-5)

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation:

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2

do have an equation or graph or

step-by-step explanation: