Write the expression in standard form.9 + 
+ 7 - 
A. 16 - 4i
B. 16 + 4
C. 16 - 4
D. 16 + 4i
Answer: A
Mathematics
You might also like to view...
Solve the equation.0.31(x + 20) + 0.42(x + 85) = -34.75
A. {65} B. {-105} C. {105} D. {-65}
Mathematics
Find the center and the radius of the sphere that has the given equation. Select the correct answer.
 multiple choice.png)
Mathematics
Solve the system by using the inverse of the coefficient matrix. x + 3y = -8 21x + 6y = 3
A. {(1, -3)} B. {(-1, 3)} C. {(3, -1)} D. {(-3, 1)}
Mathematics
Solve the problem.Bert is 22 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 3.5 kilometers per hour. They meet in 4 hours. How fast is Brenda walking?
A. 4 kilometers per hour B. 3 kilometers per hour C. 3.5 kilometers per hour D. 2 kilometers per hour
Mathematics