Jeremy is playing a game called “rational round up” where he has to collect all the numbers in a maze that are rational and then get to the end of the maze. when he collects a number he must prove it is rational by writing it as a quotient of two integers. him determine how to prove that each of the following numbers is rational.
1. 2.4
2. 74
3. 17.…
4. π
5.
6. –18
7.
8. 87.125
9. –30
10. –8.3
11. 58.25
12. 121
13. 4.5
14.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

What ratio is proportional to 18/21

Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss,how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.