Answer:
A
Step-by-step explanation:
Go to the graph at 12 weeks and the line for Baby A is above Baby B.
Answer:
Step-by-step explanation:
a² + b² = (a + b)² - 2ab
Answer:
6; 54 is 6 times 9
Step-by-step explanation:
9x = 54
x = 54/9
x = 6
5n = 10^2
n = 20 Because 5 × 20 = 100
Answer:
Here, x represents the weekly sale
As per the statement:
A salesperson earns $320 per week plus 8% of her weekly sales.
"8% of her weekly sales" means 
then;
the expression which represents her earning = 
"At least" means 
then;
the sales necessary for the salesperson to earn at least $1000 in the one week
⇒
Subtract 320 from both sides we have;

Divide both sides by 0.08 we get:

Therefore, the sales necessary for the salesperson to earn at least $1000 in the one week is: greater than or equal to $8500 i.e 