She should buy 5 boxes because if she bought 4 then she would have 8 without a box
Answer:
8.5
Step-by-step explanation:
Answer:
Hi there!
Your answer is:
p(1.75) = 5.875
Step-by-step explanation:
p(1.75) means to plug in 1.75 for x
p(1.75)= 2(1.75)^2 + 5(1.75) - 9
6.125 + 8.75 - 9
SIMPLIFY
5.875
Hope this helps!
Answer:
b)Add the equations to eliminate x.
Step-by-step explanation:
y= x+20
y= - x+2
Result of the addition: (-x cancels x)
2y = 22
y =11
11=x +20 -9 = x
11=9+2
11 = -9 +20
2 x2-1,. 2x2=1 or all in the photo any problem in question then ask me
