A person can run 100 meters in 20 seconds. What is his running speed in kilometers per hour (km/h) ?

A. 18 km/h

B. 20 km/h

C. 24 km/h

D. 15 km/h

Does the graph below represent a proportional relationship? A. No, because it is not linear. B. Yes, because it is a straight line that passes through the origin. C. Yes, because it is a straight line that does not pass through the origin. D.

20 pts im checking my answer I think its one rational solution Describe the number and type of solution of the following equation. 6x2 - 7x - 5 = 0 No solutions. One rational solution. Two rational solutions. Two irrational solutions.

You are fitting a new kitchen and measure the following lengths of pipe. Subtract the shortest length from the longest 0.81m; 1.08m; 0.8m; 180cm; 18cm

A copy machine makes 44 copies per minute how long does it take to make 143 copies

Which is larger 2/3" x 3-7/16" or 0.6"L x 3.43"W?

The ratio in size of Gabriel's room to her brother Giorgio's room was 5:3. The area of Gabrielle's room was 240 square feet. If Giorgio's room was square-shaped, what was the length of his room?

A student estimates that it would take 3 hours to write a book report, but it actually took her 5 hours. What is the percent error?

Jerry makes 20$ an hour. He spends 30 dollars a day on transportation and food. Write an expression to describe his spending and earnings for the day, where x is the number of hours that Jerry works that day.

Find the percent increase for the given original and new quantities in parts a through c. a. Original quantity: 100 New quantity: 106 b. Original quantity: 10 New quantity: 16 c. Original quantity: 50 New quantity: 56 a.

What is - x^2+12x-32 in standard form?