Answer:
C
Step-by-step explanation:
sqrt x can be zero, but you can't sqrt a negative number. there is no further restrictions on sqrt x, there it goes to positive infinity.
Answer:
1,6 and 6,0 i think
Step-by-step explanation:
The diamond is 1 the square is 6 and the triangle is 7
-2.1(4.7+(-7.4))
-2.1(-2.7)
Your answer is...
5.67
4 + (-7)
add its opposite
4 - 7
which is negative 3
4 + (-7) = -3
