Answer:
i think its -31
Step-by-step explanation:
thats what i got
hope this helps :)
A, because:
Hardcover: 0.35
Buys hard cover and non-fiction: 0.35 x 0.55 = 0.1925
Answer:
196 
Step-by-step explanation:
Surface are of 2 rectangles = 2(2*4) = 16 
surface are of the base rectangle = 4*3 = 12 
Area of tow triangles =2(
* 2* 2)= 4
total = 16+12+4
= 196 
A(n)=a+(n-1)d
A(40)= -1+(40-1)-4
A(40)= -1+39(-4)
A(40)= -1+(-156)
A(40)= -157