Answer:
D. -5
Step-by-step explanation:
The x-intercept is the point at which the graph crosses the x-axis.
Answer:
$19.50
Step-by-step explanation:
Multiply $2.50 by 4, which will give you $10.00.
Then, add $9.50 and $10 together, which gives you. a total of.
$19.50
D. Linda earned $8.00 per hour at her summer job.
Lets find the final discount percentage, to do this we need to know the final price of the backpack.
Initial price is 60, let's apply the first 30 % discount:

Now we apply the 20 % discount to 42:

So the final price of the backpack is 33.6, this is 56 % of 60.
The final discount was of 44 % off, not 50 %.
A. Surveying the students about their favorite type of math problem.
and
C. Sampling water for contaminants