Answer:
Step-by-step explanation:
1
Answer:
Rational and whole numbers
Step-by-step explanation:
7x7=49 which is a whole number which automatically makes it rational!
Answer:
-2
Step-by-step explanation:
Replace x with -1
(-1)2 - (-1) - 1
-2 + 1 - 1
-2
Answer:
B-17
Step-by-step explanation:
a right angle is 90° so if part of the angle is 73 we subtract 90-73 which equals 17