C. 15 because the natural numbers are 1, 2, 3 ect.
You have to square it all up then add it up if you want you can use the calculator
Answer:
b=11 a=-2
Step-by-step explanation:
4=x and 7=y and 4+7=11
a(4)+3(7)=13
4a+21=13
-21 -21
4a=-8
÷4 ÷4
a=-2
Answer:
you can add and subtract numbers from same degree and has Same coefficient
so
(7x²-3x+10)-(4x²+6x-4)
=
3x²-9x+14
1/8 multiply all three together
