C?------------------------
Let x be the number of new laptops and y be the number of tablets that
the company should buy. The equations that best show the given
conditions are as follows,
x + y = 30
515x + 285y = 11080
Solving simultaneously for the values of x and y gives an answer of x = 11 and y = 19.
Thus, the business should buy 11 laptops and 19 tablets.
Answer:
(C) because the answer is 69
Step-by-step explanation:
you make 3 groups of 23 and u get 69
its greater then 23 and 4
and its not between 3 and 4 or between 23 or 3
so it can only be (C)
Answer:

Step-by-step explanation:
Given
--- volume


Required
The surface area as a function of base length
The volume (V) is calculated as:



Make y the subject

Substitute 3 for V

The surface area of the open box is:


Substitute: 



Hence, the function is:

Hello
14-4x=2y divide 2 to both sides VVVVV7-2x=y you will need this on the next step-----------------------------------------------------y+2x=7y=7-2x(7-2x)+2x=7 -------> 7-2x+2x=7 7=7Have a nice day