George said if 2 and 4 are factors of a number, then 8 is a factor of the number. is he correct?

After two years, how much has been paid into interest?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Consider the function f(x)=-5x+3 what is f(-2)