Right triangle: 10.5,20.8,23.3
Not a right triangle: 6,22.9,20.1
Answer:
See below
Step-by-step explanation:
Hope this helps!
3k-1=7k+2
+1 +1
——————
3k=7k+3
-7k -7k
——————
-4k=3
/-4 /-4
Answer is K= -3/4
Hope it helps. (;
5 books at $4 each is a multiplication.
You need to multiply 5 * $4.
Then to include the tote, you need to add its price, $6.
The final expression is
5 * $4 + $6