Which expression is equivalent to −38−14/? Select all that apply. A. (−83)÷(−14)
B. 38÷14
C. 38⋅(−4)
D. (−38)⋅(−4)
E. (−83)⋅(−4)

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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?

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree