#1 is 65 by 75, next is 3 by 9, and the last is 75 by 25
3a+7+2a and 7a+5. These expressions are not equivalent. 5a+7 does not equal 7a+5.
Answer:
Radius
Step-by-step explanation:
CB = AB/2
Since AB is the diameter, CB is a radius
Answer:
-63
Step-by-step explanation:
(-25+4^2) * 7
(-25+16) * 7
-9*7=-63
