Find the indicated vector.Let u = 
, v = 
. Find -2u + 5v.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine whether the graph represents a function.
A. Not a function B. A function
Mathematics
Translate the sentence to an equation using x as the variable. Do not solve the equation.Dividing 28 by a number amounts to 7.
A. 28x = 7 B. 28 ÷ x = 7 C. 28 - x = 7 D. x ÷ 28 = 7
Mathematics
Choose the best answer.The amount of folic acid in a vitamin capsule is about how much?
A. 56 metric tonnes B. 56 milligrams C. 56 kilograms D. 56 grams
Mathematics
Solve the problem.A rectangular sheet of paper measures 
foot by 
foot. Find its area.
A. 
ft2
B. 
ft2
C. 
ft2
D. 
ft2
Mathematics