What is 645 rounded to the nearest tenth

Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel. How old is Daniel now?

Jon earned $38,000 last year. He paid $6,840 towards entertainment. What percent of his earnings did Jon pay in entertainment expenses?

Gabriel is not one for pairing socks before he throws them in his sock drawer. One dark morning, his drawer contains 8 blue socks, 6 brown socks, and 4 gray socks. What is the probability that he pulls a brown sock? Explain your answer?

On a number line, the distance from zero to - 12 is 12 units. Which equation demonstrates this concept? A. 122 = 144 B. |-12| = - 12 C. |-12| = 12 D. 0 + 12 = 12

How can i find values if h (-4) h (x) = 1/2x-1?

What does 2x (5+2) x2 equals

What three even numbers add up to 54? How many different answers can you find? Did yo see patterns in your answer?

A random telephone survey of 1,091 adults (aged 18 and older) was conducted by an online tax preparation and e-filing service. The survey results showed that 634 of those surveyed planned to file their taxes electronically.

Solve for k. 4/k = 6/11

Evaluate the expression Arcsec (sqrt 2). Do not use your calculator to answer this question. Do not express answer in decimals.