Answer:
D. 140
Step-by-step explanation:
B.8x+8x+7x+7x=90
C.8x/7x=90
D.2x+2x=90
Answer:
it is prime.
No number can be neither prime nor composite (maybe 0
No number can be both prime and composite
Step-by-step explanation:
(x+4)^2=
Answer:
x² + 8x + 16
Step-by-step explanation:
(x + 4)² = (x + 4)(x + 4)
Each term in the second parenthesis is multiplied by each term in the first parenthesis, that is
x(x + 4) + 4(x + 4) ← distribute both parenthesis
= x² + 4x + 4x + 16 ← collect like terms
= x² + 8x + 16 ← perfect square trinomial
Answer:
13,00 + 5,000 - 3,000= 15,000