Find the cofactor of the indicated element.a13

A. -5
B. -8
C. -1
D. 1


Answer: D

Mathematics

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Divide using synthetic division.(2x3 + x2 - 4x + 2) ÷ (x + 4)

A. 2x2 + 9+ 8 - 
B. 2x2 - 7+ 24 - 
C. 2x2 - 7- 24 - 
D. 2x2 - 7+ 24 - 

Mathematics

Use the relative frequency method to estimate the probability. Round your answer to 2 decimal places when necessary.Of 1485 people who came into a blood bank to give blood, 328 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure.

A. 0.22 B. 0.19 C. 0.27 D. 0.14

Mathematics

Simplify. Assume that no radicands were formed by raising negative quantities to even powers. 

A.
B. 10 
C.
D.

Mathematics

Solve the problem.In chemistry, the ideal gas law is P =  where P is pressure, T is temperature, V is volume, and K is a constant. Find the missing quantity.V = 6, P = 80, K = 4

A. T = 3.33 B. T = 120 C. T = 53.33 D. T = 1920

Mathematics