Is there a picture to go with it?
The diagram is a "mapping diagram" that describes a function? The function pairs numbers from the set on the left with numbers from the set on the right. "Domain" refers to the numbfers on the left, where the arrows come FROM. (Some people describe this as a mapping of x to y, with x on the left and y on the right.) The answer is B.
Find 8% of 1900.
0.08 * 1900 = 152
So 152 customers run every day.
89-131=-42 the answer is k=-131
45 multiply 1/2 and 90 put it in the calculator 90 times 0.5
