Answer:
Step-by-step explanation:
let score in fourth test=x
88+98+79+x=80×4
265+x=320
x=320-265=55
Answer:
Step-by-step explanation:
The first choice is correct
The rate is 20 per dog, thus we get the equation:
c= 20d
However the first dog is free, so the equation becomes
c = 20(d - 1)
And he also has a walking fee of 85 dollars and thus the equation becomes
c= 85 + 20(d-1)
Answer:
A. 2/3
Step-by-step explanation:
There are 12 tiles in total, and 8 tiles with numbers that are greater than 4.
Express this as a fraction:
8/12
Simplify:
2/3
Hope this helps
∠P~=∠S
∠Q ~= ∠T
∠R~= ∠M
P/S=Q/T=RM
hope this helps!
Two expressions for the perimeter of a square are:
4a
- a represents one side of the square
a + a + a + a
- a representa one side of the square
the first expression does not include any addition. But the two expressions are actually equivalent.