2x^2 + 3xy - 4y^2 when x = 2 and y = -4
= 2(2)^2 + 3(2)(-4) - 4(-4)^2 = 2(4) + (-24) - 4(16) = 8 - 24 - 64 = -80
C. $135, 1/4 of 60 is 15 and add that on top of 60x2
3 dimes, 1 nickel
2 dimes, 3 nickels
1 dime, 5 nickels
7 nickels
(don't forget to add in the initial quarter, dime, and nickel)
3:00 I think. :-)
Hope that helped
Answer:
x=-3
Step-by-step explanation:
can you plz help me with my most recent question
