D=228
when 2 numbers or variables are next to eachother it means you need to multiply. So in this case r=57 and t=4 and we mulitply. 57 x 4 = 228. So the answer is 228. Hope this helps and have a great day!
Answer:
D!
Step-by-step explanation:
Answeration:
they are both false
150 units^2
A=6a2=6·52=150
(3x+5y)(3x-5y)