Luke is three years older than theo. ten years ago he was twice as old as theo. how old is each now?

What is 60ft/s=__km/h?

A printing company charges $42 plus $0.05 per page. Another company just charges $0.08 per page. How many pages are in an order that costs the same regardless of which company is used?

The table below shows the values of y for different values of x: x 7 8 9 10 11 12 13 y 13 10 7 6 5 3 0 The correlation coefficient for the data is - 0.9847.

If t >0 and t^2-4=0 What is the value of t?

In the geometric progression - 3, 12, - 48 ... what term is 3,072?

Sports teams prefer to play in front of their own fans rather than at the opposing team's site. Having a sell-out crowd should provide even more excitement and lead to an even better performance, right?

The actual distance between two villages is 120 kilometers. On a map of the area, 0.5 centimeter represents 2 kilometers. What is the distance between the villages on the map?

You buy 5 tickets to a concert for you and your friends. You pay $170, including a $20 service charge. How much does one ticket cost?

What is 1.2 % of 0.5?

Jeff can win the game if he rolls 11 on the two number cubes. If he rolls an even sum, however, he will lose his next turn. What is the probability that he will win the game? What is the probability that he will lose his next turn?