Solve this system of equations using substitution. put your answer in ordered pair form, (x, y).

8x - y = 4
5x + 3y = 17

The number of possible solutions of a polynomial can be found by looking

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

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.