Answer: 40 + 0.21t
Step-by-step explanation:
If t is the number of texts last month and the initial fee for each month is $40 then you will have the expression 40+0.21t
36. Find the hypotenuse by squaring the length of the height and length. It gives you 225...so your side C should be 15. Then add all your sides giving you 36
Answer:



Step-by-step explanation:
Given


Solving (a): (s + t)(x)
This is calculated as:


Collect like terms


Solving (b): (s - t)(x)
This is calculated as:


Collect like terms


Solving (b): (s . t)(1)
First, we calculate (s.t)(x)
This is calculated as:

So, we have:

Substitute 1 for x



How to:
a+b-mx=0
a+b=mx
(a+b)/x=m