Answer:
36
Step-by-step explanation:
f(x)=x^2+2x+1
Let x = -7
f(-7)=(-7)^2+2*-7+1
= 49 -14+1
= 36
Answer: he washed 18 windows
Step-by-step explanation: count by 10
Answer:
Factor out 4 out 8x-12
= 4(2x-3)
Answer:
Step-by-step explanation:
If binomial (3x+2) is a factor of some polynomial, then number is this polynomial's root. Check all polynomials:
6x^3+3x^2+4x+2
Answer:
True
Step-by-step explanation:
Any two sides of a triangle is greater than the third side.
