2r-20 is the answer combining the like terms and solving.
Whenever a number is beside a parenthesis without a sign it means multiplication. So you would use PEMDAS work in parenthesis then exponents, multiplication (from left to right) addition and subtraction (from left to right). so you would add 20+3 and get 23 then multiply that by -5 to get -115 as your answer.
Answer:
48
Step-by-step explanation:
A = bh/2
A= 8 x 12 / 2
A= 96 / 2
A = 48
You look at the triangle...
The sides there are four
The base is the bottom
...
Congruent is the corrrect answer ya