For every 3 hours she works, Alexia earns $20.40. What is her unit rate in dollars per hour?
PLS HELP ASAP ILL MARK U BRAINIEST IF YOU HELP!!

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.