For each line, determine whether the slope is positive, negative, zero, or undefined.​

step-by-step explanation:

nada

step-by-step explanation:

3x + 4y -25 =0 represents the amount of change sianna should recieve

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.