For these problems you have to use PEMDAS so for problem 15 you would do the parentheses first, (21-3) you get 18 and then exponents, 3^2, you get 9, no multiplication but there is division so take your answers, 18 and 9 and divide them, you get 2, so the answer to 15 is 2.
Answer:
x = 27
y = 29
Step-by-step explanation:
Answer:
It can not be proved, so the last option
Step-by-step explanation:
Because there are no two angles in one triangle so it's not AAS or ASA. And there are no two sides so it's not SAS either.
Answer:
It’s A
Step-by-step explanation: