Complete the proof. given: ab = 7x + 1, bc = 4x, ac = 111 prove: x = 10 statement reason 1. ab = 7x + 1, bc = 4x, ac = 111 1. given 2. ac = ab + bc 2. 3. 111 = 7x + 1 + 4x 3. 4. 111 = 11x + 1 4. combine like terms 5. 110 = 11x 5. subtraction property of equality 6. 10 = x 6. division property of equality 7. x = 10 7. #2,3,7 need a reason

2. Segment addition postulate

3. Substitution property of equality (AC=111; AB=7x+1; and BC=4x)

7. Symmetric Property of Equality

Step-by-step explanation:

answer: '

the distance between points l and m

step-by-step explanation:

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.