Answer:
b
Step-by-step explanation:
-18. The value has gone down $18 on the gift card.
Answer: 20
Step-by-step explanation:
Assuming your question is:
Z² - X² - XY X = -2, Y = 3, Z = -4
Substitute values
(-4)² - (-2)² - {(-2)(3)}
{(-4)(-4)} - {(-2)(-2)} - (-6)
(16) - (4) + 6
16 - 4 + 6
20
let's say that number is "x", so that is then the 100%.
if 150 is 25%, what is "x"?
