Answer:
121 books
Step-by-step explanation:
bc that equals 11 so there are 11 squares plus the two missing ones from before so u do 11x11 which would be 121
hope this helps :>
Answer:
1400
Step-by-step explanation
First I made a list of all of the first 7 carriages, so that's 125, 150, 175, 200, 225, 250, and 275. After adding those you get 1400.
Answer:
B
Step-by-step explanation:
F(x) = x^3 - 5x^2 - 6x
F(x)=x(x^2-5x-6)
F(x)=x(x-6)(x+1)
So, x=0,-1,6
Distribute so times what's outside by what's inside so 4×2x=8x and 4×7=28 then get x by itself by dividing on both sides 28÷8=3.5 your answer is x=3.5