How do you know if two line segments are parallel?

a. Their slopes are equal.

b. Their slopes are reciprocals.

c. The slope of one is the negative of the slope of the other.

d. Their slopes are negative reciprocals.

In two years the value of a car chnaged from 14,000 to 11,200 what is the percent of change

6 + * is an example of

Which expressions are equivalent to 4 (4a+5)

Mike practices the cello every 5 days and the piano every 13 days. Mike practiced both the piano and the cello today. How many days will pass before he practices them both on the same day again?

4. Diego said that the answer to the question "How many groups of - are in 1?" is or 1 Show how you would solve the problem.

Alfred is practicing typing. The first time he tested himself, he could type 30 words per minute. After practicing for a week, he could type 33 words per minute. After two weeks he could type 36 words per minute.

the perimeter of the flag is 2340 ft. what is the flags width and length if the length is 330 ft. greater than the width

48% = looking for a fraction

Boxes of shablamceral originally cost $3.00. The store has reduced the price by 25%. You have a coupon for an additional 20% off the already discounted price. What is the final price of the cereal

Write the number in order from greatest to least 7 9/10, 8.04, 7 1/6, 7.85