The answer is 18
-7^2+4(-7)-3
49+(-28)-3
21-3
18
Answer:
A design in which all levels of each independent variable are combined with all levels of the other independent variables. A factorial design allows investigation of the separate main effects and interactions of two or more independent variables.
Step-by-step explanation:
Answer:
its b
Step-by-step explanation:
A. -14x+21
because -7 times 2x is -14x and -7 times -3 is 21
