I do not understand Cramer's Rule. The question I am working on right now states: "Use Cramer's Rule to solve the following system of equations. Write each answer in simplest form."
5x-3y= -8
4x-y= -4

The circumference of a circle is 5 pi cm. what is the area of the circle?

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.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?