Answer:
205 mins
Step-by-step explanation:
Answer:
C) 
Step-by-step explanation:

Group the similar terms together:

Add/subtract the "c" variables:

Add/subtract the "d" variables:

Her brother sent C. 490 messages.
In order to find this, we need to set it up as a proportion. Once we have done that, we can cross multiply and solve for the unknown variable.
(4/7) = (280/x) -----> Cross multiply.
4 * x = 7 * 280
4x = 1960
x = 490
The answer is SAS we just finished this in Geometry
Answer:
Isolate the variable by dividing each side by factors that don't contain the variable. x=−6
6*-6 + 7 = 13 + 7*-6
-29 = -29
Step-by-step explanation:
there is your answer for you
im sorry if wrong