Answer:
15n
Step-by-step explanation:
Amal has a bookcase with n shelves. There are 15 books on each shelf. Using n, write an expression for the total number of books.
The expression for the total number of books is given as:
Number of shelves × Number of books in each shelf
= n × 15 books
= 15n
Answer:
B
Step-by-step explanation:
Ecology is the study of ecosystems. That is, ecology is the study of how living organisms interact with each other and with the nonliving part of their environment.
Opposite exterior angles are congruent, so we can equate their measures and solve for x.
... 6x - 36 = 96
... x - 6 = 16 . . . . . . divide by 6
... x = 22 . . . . . . . . add 6
The value of x must be 22.
Answer: Square root of 133
Step-by-step explanation:
Given:
Samantha purchased dinner at a restaurant and spent $38 on food and beverages.
Rate of sales tax = 7%
To find:
How much will Samantha pay for sales tax in dollars and cents?
Solution:
Amount spent on food and beverages = $38
Rate of sales tax = 7%
Sales tax = 7% of $38
Therefore, the sales tax is $2.66.
