Given the system below, create an equivalent system and solve both to prove they result in the same solution.
-x+4y=17
3x-5y= -30

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25