He read 1/2 at school and 1/10 at home. How much more of the book does he have to read?

What is the lcm of 2 numbers if one is the multiple of the other

A ball is launched at 20 m/sec from a 50 m tall platform. The function of the ball's height (h) at time (t) seconds after launch is h (t) = - 5t^2 + 20t + 50. What is the domain of this situation?

Ram's office is 20 km away from his home. He usually travels by car daily at an average speed of 60 km per hour. On a particular day, he took 17 minutes to drive from his home to office. What was the average speed for that journey?

Square root of 444sq x 19 x 3

The heights of adult women are approximately normally distributed about a mean of 65 inches with a standard deviation of 2 inches. if rachael is at the 99th percentile in height for adult women, then her height, in inches, is closest to:

Mai buys a pack of 9 towels for $24.30. Find the unit price in dollars per towel. If necessary, round your answer to the nearest cent.

there are 60 students in the school band and 70 students in the chorus. If there are 20 students in both band and chorus, how many students are in the chorus only?

Solve p (x + 9) = r for x.

I'm having a bit of trouble with this question, all it says is '2k = 26'

3^2 - 27x + 75 = 15