Select three ratios that are equivalent to 5 : 2 The options are... A. 2 : 5
B. 10 : 4
C. 20 : 50
D. 35 : 14
E. 55 : 22. HELP PLEASE

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

Solve for x and select the correct answer