What is the value of the expression shown below?

8 + (7 + 1) 2 ÷ 4 ⋅ 1 over 2 whole to the power of 4

7
9
21
24

What else equals 42 and 30 for multiply

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h

The graph represents f(x)=[x]+3. what is f(-2.2)?