Identify all sets to which the number – 7 belongs. A. natural numbers, whole numbers, integers, and rational numbers

B. natural numbers and integers

C. integers, natural numbers, and rational numbers

D. integers and rational numbers

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.