Find the domain of the rational expression 8-x/7x+21

Question 1 Tara is writing a report about rainbows and needs to gather data from her classmates. Which is a statistical question Tara could ask her classmates? A. What are the colors of the rainbow? B. When was the first rainbow seen? C.

How do you write 72% as a fraction in simplest form?

The sum of Alan's age and Bob's age is 40. The sum of Bob's age and Carl's age is 34. The sum of Alan's age and Carl's age is 42. How old is Bob?

John's first 3 tests scores in chemistry were 70, 75, 91. what was his median score? a. 72.5 b. 91 c. 75 d. 10

What is the probability that someone will name english as a preferred subject

Every 2/3 hour, Harris can sew 1/6 pair of jeans. what is the unit rate?

How do you find percent increase and decrease

Tracy bought 3 tickets for a day tour trip to a city. The price of each ticket was the same. After she bought the tickets, her account balance showed a change of - $95.31.

How are the values of the eights in 880 related

Dion meets a friend for lunch at 12:45 p. m. They spend 1 hour 25 minutes eating lunch. What time do they finish eating lunch? 1:10 p. m. 1:45 p. m. 2:05 p. m. 2:10 p. m.