Answer: (18 + 12) - 50
Step-by-step explanation:
A is the correct expression.
Answer:
f(-3) =17
Step-by-step explanation:
f(x)=2x^2-1
Let x = -3
f(-3)=2(-3)^2-1
= 2(9) -1
= 18-1
17
Answer: 2,125 whales
because half of the ten whales in the sample were infected, then half of the population would likely be infected. 4,250/2=2,125
2.20 ÷ 5 = .44
.44 × 7 = $3.08 for seven stamps